./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD --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 b63b3bf7ef08814c7616207e01fc54fc4cf0e6569356ae10e2de73225afc9bce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:55:40,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:55:40,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:55:40,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:55:40,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:55:40,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:55:40,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:55:40,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:55:40,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:55:40,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:55:40,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:55:40,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:55:40,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:55:40,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:55:40,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:55:40,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:55:40,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:55:40,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:55:40,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:55:40,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:55:40,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:55:40,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:55:40,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:55:40,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:55:40,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:55:40,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:55:40,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:55:40,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:55:40,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:55:40,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:55:40,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:55:40,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:55:40,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:55:40,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:55:40,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:55:40,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:55:40,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:55:40,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:55:40,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:55:40,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:55:40,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:55:40,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:55:40,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:55:40,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:55:40,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:55:40,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:55:40,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:55:40,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:55:40,845 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:55:40,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:55:40,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:55:40,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:55:40,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:55:40,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:55:40,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:55:40,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:55:40,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:55:40,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:55:40,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:55:40,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:55:40,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:55:40,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:55:40,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:55:40,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:55:40,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:40,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:55:40,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:55:40,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:55:40,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:55:40,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:55:40,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:55:40,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:55:40,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:55:40,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:55:40,852 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_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63b3bf7ef08814c7616207e01fc54fc4cf0e6569356ae10e2de73225afc9bce [2021-10-28 23:55:41,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:55:41,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:55:41,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:55:41,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:55:41,123 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:55:41,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2021-10-28 23:55:41,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/data/477391cd7/38d99c8b974841eba2cbf4f91d3b98ec/FLAG06ab569bb [2021-10-28 23:55:41,836 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:55:41,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2021-10-28 23:55:41,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/data/477391cd7/38d99c8b974841eba2cbf4f91d3b98ec/FLAG06ab569bb [2021-10-28 23:55:42,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/data/477391cd7/38d99c8b974841eba2cbf4f91d3b98ec [2021-10-28 23:55:42,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:55:42,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:55:42,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:42,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:55:42,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:55:42,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e490b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42, skipping insertion in model container [2021-10-28 23:55:42,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:55:42,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:55:42,542 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_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/sv-benchmarks/c/eca-rers2012/Problem02_label29.c[17015,17028] [2021-10-28 23:55:42,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:42,611 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:55:42,690 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_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/sv-benchmarks/c/eca-rers2012/Problem02_label29.c[17015,17028] [2021-10-28 23:55:42,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:55:42,719 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:55:42,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42 WrapperNode [2021-10-28 23:55:42,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:55:42,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:42,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:55:42,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:55:42,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:55:42,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:55:42,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:55:42,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:55:42,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:55:42,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:55:42,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:55:42,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:55:42,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (1/1) ... [2021-10-28 23:55:42,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:55:42,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:42,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:55:42,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:55:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:55:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:55:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:55:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:55:44,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:55:44,081 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:55:44,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:44 BoogieIcfgContainer [2021-10-28 23:55:44,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:55:44,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:55:44,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:55:44,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:55:44,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:55:42" (1/3) ... [2021-10-28 23:55:44,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4f6412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:55:44, skipping insertion in model container [2021-10-28 23:55:44,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:55:42" (2/3) ... [2021-10-28 23:55:44,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4f6412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:55:44, skipping insertion in model container [2021-10-28 23:55:44,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:44" (3/3) ... [2021-10-28 23:55:44,093 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2021-10-28 23:55:44,098 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:55:44,099 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:55:44,148 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:55:44,154 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 [2021-10-28 23:55:44,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:55:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2021-10-28 23:55:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-28 23:55:44,207 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:44,208 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:44,208 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:44,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:44,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1023341155, now seen corresponding path program 1 times [2021-10-28 23:55:44,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:44,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681381860] [2021-10-28 23:55:44,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:44,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:44,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:44,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681381860] [2021-10-28 23:55:44,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681381860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:44,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:44,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:44,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113494982] [2021-10-28 23:55:44,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:44,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:44,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:44,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:44,792 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:45,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:45,528 INFO L93 Difference]: Finished difference Result 639 states and 1082 transitions. [2021-10-28 23:55:45,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:45,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-10-28 23:55:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:45,553 INFO L225 Difference]: With dead ends: 639 [2021-10-28 23:55:45,553 INFO L226 Difference]: Without dead ends: 318 [2021-10-28 23:55:45,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:45,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-28 23:55:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2021-10-28 23:55:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 1.4711538461538463) internal successors, (459), 312 states have internal predecessors, (459), 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) [2021-10-28 23:55:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2021-10-28 23:55:45,630 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 102 [2021-10-28 23:55:45,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:45,631 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2021-10-28 23:55:45,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:55:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2021-10-28 23:55:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 23:55:45,637 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:45,637 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:45,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:55:45,637 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:45,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1822434504, now seen corresponding path program 1 times [2021-10-28 23:55:45,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:45,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721280964] [2021-10-28 23:55:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:45,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:45,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:45,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721280964] [2021-10-28 23:55:45,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721280964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:45,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:45,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:45,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647612889] [2021-10-28 23:55:45,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:55:45,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:45,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:55:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:45,864 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-10-28 23:55:46,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:46,600 INFO L93 Difference]: Finished difference Result 989 states and 1492 transitions. [2021-10-28 23:55:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:55:46,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2021-10-28 23:55:46,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:46,605 INFO L225 Difference]: With dead ends: 989 [2021-10-28 23:55:46,605 INFO L226 Difference]: Without dead ends: 595 [2021-10-28 23:55:46,607 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:55:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-10-28 23:55:46,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2021-10-28 23:55:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 594 states have (on average 1.3383838383838385) internal successors, (795), 594 states have internal predecessors, (795), 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) [2021-10-28 23:55:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 795 transitions. [2021-10-28 23:55:46,641 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 795 transitions. Word has length 106 [2021-10-28 23:55:46,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:46,641 INFO L470 AbstractCegarLoop]: Abstraction has 595 states and 795 transitions. [2021-10-28 23:55:46,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-10-28 23:55:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 795 transitions. [2021-10-28 23:55:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-28 23:55:46,647 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:46,647 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:46,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:55:46,648 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:46,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:46,649 INFO L85 PathProgramCache]: Analyzing trace with hash -366751499, now seen corresponding path program 1 times [2021-10-28 23:55:46,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:46,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410092954] [2021-10-28 23:55:46,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:46,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:55:46,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:46,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410092954] [2021-10-28 23:55:46,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410092954] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:46,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:46,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:55:46,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66021163] [2021-10-28 23:55:46,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:46,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:46,715 INFO L87 Difference]: Start difference. First operand 595 states and 795 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-10-28 23:55:47,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:47,235 INFO L93 Difference]: Finished difference Result 1753 states and 2346 transitions. [2021-10-28 23:55:47,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:47,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 132 [2021-10-28 23:55:47,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:47,242 INFO L225 Difference]: With dead ends: 1753 [2021-10-28 23:55:47,243 INFO L226 Difference]: Without dead ends: 1160 [2021-10-28 23:55:47,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2021-10-28 23:55:47,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2021-10-28 23:55:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2093425605536332) internal successors, (1398), 1156 states have internal predecessors, (1398), 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) [2021-10-28 23:55:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1398 transitions. [2021-10-28 23:55:47,287 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1398 transitions. Word has length 132 [2021-10-28 23:55:47,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:47,288 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1398 transitions. [2021-10-28 23:55:47,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-10-28 23:55:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1398 transitions. [2021-10-28 23:55:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-28 23:55:47,292 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:47,292 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:47,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:55:47,293 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash 437422373, now seen corresponding path program 1 times [2021-10-28 23:55:47,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:47,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716588391] [2021-10-28 23:55:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:47,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 38 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:47,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:47,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716588391] [2021-10-28 23:55:47,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716588391] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:47,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988499140] [2021-10-28 23:55:47,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:47,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:47,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:47,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:47,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:55:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:47,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:47,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:55:47,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988499140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:47,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:47,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:55:47,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089311004] [2021-10-28 23:55:47,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:47,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:47,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:47,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:47,982 INFO L87 Difference]: Start difference. First operand 1157 states and 1398 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-10-28 23:55:48,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:48,474 INFO L93 Difference]: Finished difference Result 2876 states and 3548 transitions. [2021-10-28 23:55:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:48,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 135 [2021-10-28 23:55:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:48,484 INFO L225 Difference]: With dead ends: 2876 [2021-10-28 23:55:48,484 INFO L226 Difference]: Without dead ends: 1721 [2021-10-28 23:55:48,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:48,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-10-28 23:55:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2021-10-28 23:55:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1720 states have (on average 1.1784883720930233) internal successors, (2027), 1720 states have internal predecessors, (2027), 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) [2021-10-28 23:55:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2027 transitions. [2021-10-28 23:55:48,528 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2027 transitions. Word has length 135 [2021-10-28 23:55:48,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:48,529 INFO L470 AbstractCegarLoop]: Abstraction has 1721 states and 2027 transitions. [2021-10-28 23:55:48,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-10-28 23:55:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2027 transitions. [2021-10-28 23:55:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-28 23:55:48,533 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:48,533 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:48,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:48,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:48,749 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:48,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash -732116752, now seen corresponding path program 1 times [2021-10-28 23:55:48,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:48,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804800255] [2021-10-28 23:55:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:48,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:48,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:48,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804800255] [2021-10-28 23:55:48,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804800255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:48,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:48,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:55:48,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763478558] [2021-10-28 23:55:48,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:55:48,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:48,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:55:48,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:48,847 INFO L87 Difference]: Start difference. First operand 1721 states and 2027 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 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) [2021-10-28 23:55:49,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:49,722 INFO L93 Difference]: Finished difference Result 3616 states and 4243 transitions. [2021-10-28 23:55:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:55:49,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 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 135 [2021-10-28 23:55:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:49,734 INFO L225 Difference]: With dead ends: 3616 [2021-10-28 23:55:49,734 INFO L226 Difference]: Without dead ends: 1897 [2021-10-28 23:55:49,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:55:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2021-10-28 23:55:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1861. [2021-10-28 23:55:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1860 states have (on average 1.167741935483871) internal successors, (2172), 1860 states have internal predecessors, (2172), 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) [2021-10-28 23:55:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2172 transitions. [2021-10-28 23:55:49,783 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2172 transitions. Word has length 135 [2021-10-28 23:55:49,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:49,784 INFO L470 AbstractCegarLoop]: Abstraction has 1861 states and 2172 transitions. [2021-10-28 23:55:49,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 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) [2021-10-28 23:55:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2172 transitions. [2021-10-28 23:55:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-28 23:55:49,788 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:49,789 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:49,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:55:49,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1220875275, now seen corresponding path program 1 times [2021-10-28 23:55:49,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:49,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900514005] [2021-10-28 23:55:49,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:49,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:49,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:49,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900514005] [2021-10-28 23:55:49,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900514005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:49,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:49,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:49,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911223924] [2021-10-28 23:55:49,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:49,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:49,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:49,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:49,874 INFO L87 Difference]: Start difference. First operand 1861 states and 2172 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-10-28 23:55:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:50,301 INFO L93 Difference]: Finished difference Result 4283 states and 4972 transitions. [2021-10-28 23:55:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:50,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 138 [2021-10-28 23:55:50,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:50,314 INFO L225 Difference]: With dead ends: 4283 [2021-10-28 23:55:50,314 INFO L226 Difference]: Without dead ends: 2144 [2021-10-28 23:55:50,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2021-10-28 23:55:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2141. [2021-10-28 23:55:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 2140 states have (on average 1.1009345794392524) internal successors, (2356), 2140 states have internal predecessors, (2356), 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) [2021-10-28 23:55:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2356 transitions. [2021-10-28 23:55:50,402 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2356 transitions. Word has length 138 [2021-10-28 23:55:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:50,402 INFO L470 AbstractCegarLoop]: Abstraction has 2141 states and 2356 transitions. [2021-10-28 23:55:50,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-10-28 23:55:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2356 transitions. [2021-10-28 23:55:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-28 23:55:50,408 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:50,409 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:50,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:55:50,409 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:50,410 INFO L85 PathProgramCache]: Analyzing trace with hash 222017371, now seen corresponding path program 1 times [2021-10-28 23:55:50,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:50,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949106016] [2021-10-28 23:55:50,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:50,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 23:55:50,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:50,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949106016] [2021-10-28 23:55:50,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949106016] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:50,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:50,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:50,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010314004] [2021-10-28 23:55:50,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:50,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:50,527 INFO L87 Difference]: Start difference. First operand 2141 states and 2356 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-10-28 23:55:50,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:50,963 INFO L93 Difference]: Finished difference Result 4837 states and 5382 transitions. [2021-10-28 23:55:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:50,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 174 [2021-10-28 23:55:50,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:50,974 INFO L225 Difference]: With dead ends: 4837 [2021-10-28 23:55:50,974 INFO L226 Difference]: Without dead ends: 1989 [2021-10-28 23:55:50,977 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2021-10-28 23:55:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1849. [2021-10-28 23:55:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1848 states have (on average 1.0914502164502164) internal successors, (2017), 1848 states have internal predecessors, (2017), 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) [2021-10-28 23:55:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2017 transitions. [2021-10-28 23:55:51,027 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2017 transitions. Word has length 174 [2021-10-28 23:55:51,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:51,028 INFO L470 AbstractCegarLoop]: Abstraction has 1849 states and 2017 transitions. [2021-10-28 23:55:51,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-10-28 23:55:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2017 transitions. [2021-10-28 23:55:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-28 23:55:51,032 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:51,033 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:51,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:55:51,033 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:51,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:51,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1961703982, now seen corresponding path program 1 times [2021-10-28 23:55:51,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:51,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733614665] [2021-10-28 23:55:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:51,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-28 23:55:51,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:51,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733614665] [2021-10-28 23:55:51,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733614665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:51,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:51,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:51,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356000479] [2021-10-28 23:55:51,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:51,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:51,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:51,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:51,138 INFO L87 Difference]: Start difference. First operand 1849 states and 2017 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-10-28 23:55:51,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:51,592 INFO L93 Difference]: Finished difference Result 4257 states and 4692 transitions. [2021-10-28 23:55:51,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:51,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 180 [2021-10-28 23:55:51,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:51,605 INFO L225 Difference]: With dead ends: 4257 [2021-10-28 23:55:51,605 INFO L226 Difference]: Without dead ends: 2270 [2021-10-28 23:55:51,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2021-10-28 23:55:51,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2269. [2021-10-28 23:55:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 2268 states have (on average 1.092151675485009) internal successors, (2477), 2268 states have internal predecessors, (2477), 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) [2021-10-28 23:55:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 2477 transitions. [2021-10-28 23:55:51,665 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 2477 transitions. Word has length 180 [2021-10-28 23:55:51,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:51,666 INFO L470 AbstractCegarLoop]: Abstraction has 2269 states and 2477 transitions. [2021-10-28 23:55:51,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2021-10-28 23:55:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2477 transitions. [2021-10-28 23:55:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-28 23:55:51,672 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:51,672 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:51,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:55:51,673 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 325579564, now seen corresponding path program 1 times [2021-10-28 23:55:51,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:51,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939194641] [2021-10-28 23:55:51,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:51,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:55:51,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:51,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939194641] [2021-10-28 23:55:51,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939194641] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:51,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:51,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:51,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093683900] [2021-10-28 23:55:51,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:51,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:51,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:51,757 INFO L87 Difference]: Start difference. First operand 2269 states and 2477 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-10-28 23:55:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:52,162 INFO L93 Difference]: Finished difference Result 4950 states and 5394 transitions. [2021-10-28 23:55:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 180 [2021-10-28 23:55:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:52,176 INFO L225 Difference]: With dead ends: 4950 [2021-10-28 23:55:52,176 INFO L226 Difference]: Without dead ends: 2683 [2021-10-28 23:55:52,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2021-10-28 23:55:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2543. [2021-10-28 23:55:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 2542 states have (on average 1.074744295830055) internal successors, (2732), 2542 states have internal predecessors, (2732), 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) [2021-10-28 23:55:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 2732 transitions. [2021-10-28 23:55:52,257 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 2732 transitions. Word has length 180 [2021-10-28 23:55:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:52,257 INFO L470 AbstractCegarLoop]: Abstraction has 2543 states and 2732 transitions. [2021-10-28 23:55:52,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-10-28 23:55:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2732 transitions. [2021-10-28 23:55:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-28 23:55:52,263 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:52,264 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:52,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:55:52,264 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:52,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1624903561, now seen corresponding path program 1 times [2021-10-28 23:55:52,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:52,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930857589] [2021-10-28 23:55:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:52,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-28 23:55:52,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:52,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930857589] [2021-10-28 23:55:52,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930857589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:52,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:52,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:52,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901399773] [2021-10-28 23:55:52,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:52,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:52,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:52,396 INFO L87 Difference]: Start difference. First operand 2543 states and 2732 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-10-28 23:55:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:52,786 INFO L93 Difference]: Finished difference Result 4944 states and 5318 transitions. [2021-10-28 23:55:52,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:52,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2021-10-28 23:55:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:52,801 INFO L225 Difference]: With dead ends: 4944 [2021-10-28 23:55:52,801 INFO L226 Difference]: Without dead ends: 2543 [2021-10-28 23:55:52,804 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2021-10-28 23:55:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2543. [2021-10-28 23:55:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 2542 states have (on average 1.0696302124311565) internal successors, (2719), 2542 states have internal predecessors, (2719), 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) [2021-10-28 23:55:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 2719 transitions. [2021-10-28 23:55:52,870 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 2719 transitions. Word has length 203 [2021-10-28 23:55:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:52,871 INFO L470 AbstractCegarLoop]: Abstraction has 2543 states and 2719 transitions. [2021-10-28 23:55:52,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-10-28 23:55:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2719 transitions. [2021-10-28 23:55:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-28 23:55:52,877 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:52,877 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:52,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:55:52,878 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:52,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash -758459016, now seen corresponding path program 1 times [2021-10-28 23:55:52,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:52,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646303173] [2021-10-28 23:55:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:52,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:55:52,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:52,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646303173] [2021-10-28 23:55:52,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646303173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:52,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:52,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:52,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274950293] [2021-10-28 23:55:52,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:52,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:52,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:52,986 INFO L87 Difference]: Start difference. First operand 2543 states and 2719 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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) [2021-10-28 23:55:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:53,376 INFO L93 Difference]: Finished difference Result 4807 states and 5137 transitions. [2021-10-28 23:55:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:53,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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) Word has length 205 [2021-10-28 23:55:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:53,388 INFO L225 Difference]: With dead ends: 4807 [2021-10-28 23:55:53,388 INFO L226 Difference]: Without dead ends: 2123 [2021-10-28 23:55:53,392 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:53,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2021-10-28 23:55:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2121. [2021-10-28 23:55:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 2120 states have (on average 1.0509433962264152) internal successors, (2228), 2120 states have internal predecessors, (2228), 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) [2021-10-28 23:55:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2228 transitions. [2021-10-28 23:55:53,444 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2228 transitions. Word has length 205 [2021-10-28 23:55:53,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:53,444 INFO L470 AbstractCegarLoop]: Abstraction has 2121 states and 2228 transitions. [2021-10-28 23:55:53,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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) [2021-10-28 23:55:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2228 transitions. [2021-10-28 23:55:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-28 23:55:53,450 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:53,450 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:53,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:55:53,451 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:53,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:53,452 INFO L85 PathProgramCache]: Analyzing trace with hash -572107439, now seen corresponding path program 1 times [2021-10-28 23:55:53,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:53,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669499463] [2021-10-28 23:55:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:53,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-28 23:55:53,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:53,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669499463] [2021-10-28 23:55:53,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669499463] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:53,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:55:53,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:55:53,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382275466] [2021-10-28 23:55:53,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:53,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:53,536 INFO L87 Difference]: Start difference. First operand 2121 states and 2228 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-10-28 23:55:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:53,904 INFO L93 Difference]: Finished difference Result 4240 states and 4459 transitions. [2021-10-28 23:55:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2021-10-28 23:55:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:53,915 INFO L225 Difference]: With dead ends: 4240 [2021-10-28 23:55:53,915 INFO L226 Difference]: Without dead ends: 1980 [2021-10-28 23:55:53,918 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:55:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2021-10-28 23:55:53,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1840. [2021-10-28 23:55:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1839 states have (on average 1.0391517128874388) internal successors, (1911), 1839 states have internal predecessors, (1911), 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) [2021-10-28 23:55:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 1911 transitions. [2021-10-28 23:55:53,959 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 1911 transitions. Word has length 220 [2021-10-28 23:55:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:53,959 INFO L470 AbstractCegarLoop]: Abstraction has 1840 states and 1911 transitions. [2021-10-28 23:55:53,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-10-28 23:55:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 1911 transitions. [2021-10-28 23:55:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-28 23:55:53,966 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:55:53,966 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:53,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:55:53,967 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:55:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:55:53,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1837920194, now seen corresponding path program 1 times [2021-10-28 23:55:53,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:55:53,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342259588] [2021-10-28 23:55:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:53,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:55:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 181 proven. 74 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 23:55:54,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:55:54,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342259588] [2021-10-28 23:55:54,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342259588] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:55:54,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730544423] [2021-10-28 23:55:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:55:54,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:54,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:55:54,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:55:54,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:55:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:55:54,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:55:54,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:55:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2021-10-28 23:55:54,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730544423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:55:54,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:55:54,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-28 23:55:54,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073050432] [2021-10-28 23:55:54,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:55:54,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:55:54,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:55:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:54,994 INFO L87 Difference]: Start difference. First operand 1840 states and 1911 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-10-28 23:55:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:55:55,187 INFO L93 Difference]: Finished difference Result 1840 states and 1911 transitions. [2021-10-28 23:55:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:55:55,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 256 [2021-10-28 23:55:55,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:55:55,189 INFO L225 Difference]: With dead ends: 1840 [2021-10-28 23:55:55,189 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:55:55,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:55:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:55:55,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:55:55,194 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) [2021-10-28 23:55:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:55:55,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2021-10-28 23:55:55,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:55:55,195 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:55:55,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2021-10-28 23:55:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:55:55,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:55:55,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:55:55,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:55:55,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:55:55,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:55:55,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:55:55,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:55:55,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:55:55,951 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,951 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,951 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,951 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 23:55:55,952 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 23:55:55,953 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,954 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,955 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 23:55:55,956 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,957 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,958 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 23:55:55,959 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 23:55:55,960 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 23:55:55,961 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 23:55:55,962 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 23:55:55,963 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 23:55:55,964 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 23:55:55,968 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 23:55:55,968 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 23:55:55,968 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,968 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 23:55:55,969 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 23:55:55,970 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,971 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 23:55:55,972 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 23:55:55,973 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 23:55:55,976 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 23:55:55,977 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 23:55:55,978 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= 10 ~a28~0)) (.cse5 (not (= ~a11~0 1))) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a21~0 1)) (.cse4 (<= ~a28~0 10)) (.cse1 (<= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse0 (<= ~a17~0 7)) (.cse3 (= ~a25~0 1)) (.cse8 (= ~a19~0 1)) (.cse9 (<= ~a28~0 7))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse3 (= ~a28~0 11) .cse7 .cse8 .cse5) (and .cse2 .cse6 .cse7 .cse4 .cse8) (and .cse6 .cse3 .cse7 .cse8 (= ~a28~0 9)) (and .cse3 (<= 8 ~a17~0) .cse5 .cse9) (and .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse0 .cse8) (and .cse9 .cse1) (and .cse5 .cse1) (and .cse6 .cse10 .cse7 .cse4 .cse8 .cse1) (and .cse10 .cse0) (and .cse3 .cse8 .cse9))) [2021-10-28 23:55:55,978 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,978 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 23:55:55,979 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 23:55:55,979 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 23:55:55,980 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 23:55:55,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:55:55,982 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 23:55:55,982 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 23:55:55,983 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= 10 ~a28~0)) (.cse5 (not (= ~a11~0 1))) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a21~0 1)) (.cse4 (<= ~a28~0 10)) (.cse1 (<= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse0 (<= ~a17~0 7)) (.cse3 (= ~a25~0 1)) (.cse8 (= ~a19~0 1)) (.cse9 (<= ~a28~0 7))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse3 (= ~a28~0 11) .cse7 .cse8 .cse5) (and .cse2 .cse6 .cse7 .cse4 .cse8) (and .cse6 .cse3 .cse7 .cse8 (= ~a28~0 9)) (and .cse3 (<= 8 ~a17~0) .cse5 .cse9) (and .cse3 .cse4 .cse8 .cse5) (and .cse3 .cse0 .cse8) (and .cse9 .cse1) (and .cse5 .cse1) (and .cse6 .cse10 .cse7 .cse4 .cse8 .cse1) (and .cse10 .cse0) (and .cse3 .cse8 .cse9))) [2021-10-28 23:55:55,983 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,983 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,983 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 23:55:55,983 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 23:55:55,984 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,985 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,986 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 23:55:55,986 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,986 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 23:55:55,987 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 23:55:55,988 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 23:55:55,989 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 23:55:55,993 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:55:55,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:55:56,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:55:56 BoogieIcfgContainer [2021-10-28 23:55:56,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:55:56,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:55:56,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:55:56,034 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:55:56,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:55:44" (3/4) ... [2021-10-28 23:55:56,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:55:56,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:55:56,071 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:55:56,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:55:56,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:55:56,228 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:55:56,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:55:56,230 INFO L168 Benchmark]: Toolchain (without parser) took 14145.34 ms. Allocated memory was 104.9 MB in the beginning and 192.9 MB in the end (delta: 88.1 MB). Free memory was 62.7 MB in the beginning and 109.0 MB in the end (delta: -46.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,230 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 80.9 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:55:56,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.62 ms. Allocated memory is still 104.9 MB. Free memory was 62.4 MB in the beginning and 63.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.09 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 58.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,232 INFO L168 Benchmark]: Boogie Preprocessor took 82.12 ms. Allocated memory is still 104.9 MB. Free memory was 58.5 MB in the beginning and 54.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,233 INFO L168 Benchmark]: RCFGBuilder took 1179.30 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.2 MB in the beginning and 60.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,233 INFO L168 Benchmark]: TraceAbstraction took 11947.90 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 60.3 MB in the beginning and 123.6 MB in the end (delta: -63.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,233 INFO L168 Benchmark]: Witness Printer took 194.49 ms. Allocated memory is still 192.9 MB. Free memory was 123.6 MB in the beginning and 109.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:55:56,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 80.9 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.62 ms. Allocated memory is still 104.9 MB. Free memory was 62.4 MB in the beginning and 63.9 MB in the end (delta: -1.4 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.09 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 58.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.12 ms. Allocated memory is still 104.9 MB. Free memory was 58.5 MB in the beginning and 54.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1179.30 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 54.2 MB in the beginning and 60.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11947.90 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 60.3 MB in the beginning and 123.6 MB in the end (delta: -63.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. * Witness Printer took 194.49 ms. Allocated memory is still 192.9 MB. Free memory was 123.6 MB in the beginning and 109.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 488]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1525 SDtfs, 1901 SDslu, 239 SDs, 0 SdLazy, 5171 SolverSat, 849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2543occurred in iteration=9, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 470 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 57 NumberOfFragments, 327 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1164 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2557 NumberOfCodeBlocks, 2557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2542 ConstructedInterpolants, 0 QuantifiedInterpolants, 6242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 1523/1610 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((a17 <= 7 && a25 <= 0) || (((10 <= a28 && a25 == 1) && a28 <= 10) && !(a11 == 1))) || (((((a17 == 8 && a25 == 1) && a28 == 11) && a21 == 1) && a19 == 1) && !(a11 == 1))) || ((((10 <= a28 && a17 == 8) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 == 9)) || (((a25 == 1 && 8 <= a17) && !(a11 == 1)) && a28 <= 7)) || (((a25 == 1 && a28 <= 10) && a19 == 1) && !(a11 == 1))) || ((a25 == 1 && a17 <= 7) && a19 == 1)) || (a28 <= 7 && a25 <= 0)) || (!(a11 == 1) && a25 <= 0)) || (((((a17 == 8 && 9 <= a28) && a21 == 1) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (9 <= a28 && a17 <= 7)) || ((a25 == 1 && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((a17 <= 7 && a25 <= 0) || (((10 <= a28 && a25 == 1) && a28 <= 10) && !(a11 == 1))) || (((((a17 == 8 && a25 == 1) && a28 == 11) && a21 == 1) && a19 == 1) && !(a11 == 1))) || ((((10 <= a28 && a17 == 8) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 == 9)) || (((a25 == 1 && 8 <= a17) && !(a11 == 1)) && a28 <= 7)) || (((a25 == 1 && a28 <= 10) && a19 == 1) && !(a11 == 1))) || ((a25 == 1 && a17 <= 7) && a19 == 1)) || (a28 <= 7 && a25 <= 0)) || (!(a11 == 1) && a25 <= 0)) || (((((a17 == 8 && 9 <= a28) && a21 == 1) && a28 <= 10) && a19 == 1) && a25 <= 0)) || (9 <= a28 && a17 <= 7)) || ((a25 == 1 && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:55:56,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d481c5-d5cd-4b43-8983-16ba6d94ce90/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...