./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt --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 483f2399523337c7b4e526f7d7e756f2b272f850 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:17:35,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:17:35,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:17:35,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:17:35,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:17:35,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:17:35,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:17:35,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:17:35,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:17:35,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:17:35,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:17:35,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:17:35,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:17:35,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:17:35,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:17:35,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:17:35,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:17:35,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:17:35,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:17:35,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:17:35,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:17:35,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:17:35,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:17:35,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:17:35,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:17:35,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:17:35,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:17:35,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:17:35,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:17:35,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:17:35,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:17:35,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:17:35,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:17:35,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:17:35,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:17:35,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:17:35,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:17:35,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:17:35,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:17:35,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:17:35,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:17:35,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:17:35,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:17:35,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:17:35,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:17:35,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:17:35,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:17:35,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:17:35,209 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:17:35,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:17:35,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:17:35,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:17:35,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:17:35,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:17:35,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:17:35,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:17:35,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:17:35,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:17:35,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:17:35,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:17:35,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:17:35,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:17:35,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:17:35,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:17:35,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:17:35,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:17:35,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:17:35,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:17:35,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:17:35,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:17:35,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:17:35,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:17:35,215 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_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 483f2399523337c7b4e526f7d7e756f2b272f850 [2021-10-13 01:17:35,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:17:35,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:17:35,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:17:35,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:17:35,543 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:17:35,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-10-13 01:17:35,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/data/5d1916c6c/8d738846ac0c494ca222a51f34a82ec6/FLAG9f6128537 [2021-10-13 01:17:36,293 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:17:36,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2021-10-13 01:17:36,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/data/5d1916c6c/8d738846ac0c494ca222a51f34a82ec6/FLAG9f6128537 [2021-10-13 01:17:36,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/data/5d1916c6c/8d738846ac0c494ca222a51f34a82ec6 [2021-10-13 01:17:36,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:17:36,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:17:36,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:36,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:17:36,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:17:36,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:36" (1/1) ... [2021-10-13 01:17:36,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b0449f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:36, skipping insertion in model container [2021-10-13 01:17:36,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:36" (1/1) ... [2021-10-13 01:17:36,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:17:36,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:17:36,904 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_ceac3f92-00b2-401f-99ba-225b69b4bb3d/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2021-10-13 01:17:37,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:37,219 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:17:37,244 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_ceac3f92-00b2-401f-99ba-225b69b4bb3d/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2021-10-13 01:17:37,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:37,439 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:17:37,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37 WrapperNode [2021-10-13 01:17:37,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:37,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:37,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:17:37,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:17:37,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:37,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:17:37,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:17:37,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:17:37,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:17:37,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:17:37,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:17:37,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:17:37,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (1/1) ... [2021-10-13 01:17:37,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:17:37,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:17:37,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:17:37,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:17:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:17:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:17:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:17:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:17:39,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:17:39,757 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 01:17:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:39 BoogieIcfgContainer [2021-10-13 01:17:39,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:17:39,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:17:39,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:17:39,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:17:39,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:17:36" (1/3) ... [2021-10-13 01:17:39,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c330ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:39, skipping insertion in model container [2021-10-13 01:17:39,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:37" (2/3) ... [2021-10-13 01:17:39,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c330ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:39, skipping insertion in model container [2021-10-13 01:17:39,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:39" (3/3) ... [2021-10-13 01:17:39,777 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2021-10-13 01:17:39,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:17:39,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:17:39,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:17:39,839 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 01:17:39,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:17:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 01:17:39,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:39,869 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:39,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:39,875 INFO L82 PathProgramCache]: Analyzing trace with hash -573341295, now seen corresponding path program 1 times [2021-10-13 01:17:39,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:39,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044384604] [2021-10-13 01:17:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:39,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:40,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:40,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044384604] [2021-10-13 01:17:40,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044384604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:40,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:40,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:17:40,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820381317] [2021-10-13 01:17:40,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:40,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:40,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:40,123 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:41,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:41,457 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-10-13 01:17:41,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:41,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-10-13 01:17:41,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:41,473 INFO L225 Difference]: With dead ends: 761 [2021-10-13 01:17:41,474 INFO L226 Difference]: Without dead ends: 413 [2021-10-13 01:17:41,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:41,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-13 01:17:41,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-10-13 01:17:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-10-13 01:17:41,545 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 23 [2021-10-13 01:17:41,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:41,545 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-10-13 01:17:41,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-10-13 01:17:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-13 01:17:41,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:41,550 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 01:17:41,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:17:41,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:41,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1631989384, now seen corresponding path program 1 times [2021-10-13 01:17:41,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:41,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052413881] [2021-10-13 01:17:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:41,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:41,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:41,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052413881] [2021-10-13 01:17:41,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052413881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:41,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:41,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:17:41,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925621159] [2021-10-13 01:17:41,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:41,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:41,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:41,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:41,762 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:42,656 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-10-13 01:17:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:42,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-10-13 01:17:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:42,662 INFO L225 Difference]: With dead ends: 1211 [2021-10-13 01:17:42,662 INFO L226 Difference]: Without dead ends: 800 [2021-10-13 01:17:42,664 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-13 01:17:42,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-10-13 01:17:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-10-13 01:17:42,704 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 91 [2021-10-13 01:17:42,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:42,705 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-10-13 01:17:42,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-10-13 01:17:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-13 01:17:42,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:42,710 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 01:17:42,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:17:42,710 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1083200579, now seen corresponding path program 1 times [2021-10-13 01:17:42,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:42,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575654257] [2021-10-13 01:17:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:42,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:42,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:42,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575654257] [2021-10-13 01:17:42,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575654257] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:42,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:42,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:17:42,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765642664] [2021-10-13 01:17:42,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:42,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:42,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:42,835 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:43,643 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-10-13 01:17:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:43,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-10-13 01:17:43,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:43,652 INFO L225 Difference]: With dead ends: 1945 [2021-10-13 01:17:43,652 INFO L226 Difference]: Without dead ends: 1158 [2021-10-13 01:17:43,653 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:43,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-10-13 01:17:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-10-13 01:17:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-10-13 01:17:43,686 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 93 [2021-10-13 01:17:43,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:43,687 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-10-13 01:17:43,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-10-13 01:17:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-13 01:17:43,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:43,693 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:43,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:17:43,694 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:43,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1119260003, now seen corresponding path program 1 times [2021-10-13 01:17:43,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:43,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514280714] [2021-10-13 01:17:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:43,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:43,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:43,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514280714] [2021-10-13 01:17:43,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514280714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:43,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:43,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:43,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259282650] [2021-10-13 01:17:43,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:43,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:43,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:43,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:43,857 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:44,675 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-10-13 01:17:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:44,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2021-10-13 01:17:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:44,685 INFO L225 Difference]: With dead ends: 2519 [2021-10-13 01:17:44,685 INFO L226 Difference]: Without dead ends: 1548 [2021-10-13 01:17:44,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:44,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-10-13 01:17:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-10-13 01:17:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-10-13 01:17:44,758 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 150 [2021-10-13 01:17:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:44,759 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-10-13 01:17:44,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-10-13 01:17:44,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-13 01:17:44,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:44,764 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:44,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:17:44,765 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:44,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:44,766 INFO L82 PathProgramCache]: Analyzing trace with hash -41328736, now seen corresponding path program 1 times [2021-10-13 01:17:44,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:44,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994579263] [2021-10-13 01:17:44,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:44,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-13 01:17:44,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:44,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994579263] [2021-10-13 01:17:44,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994579263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:44,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:44,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:44,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289217702] [2021-10-13 01:17:44,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:44,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:44,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:44,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:44,919 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:45,868 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2021-10-13 01:17:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:45,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 [2021-10-13 01:17:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:45,882 INFO L225 Difference]: With dead ends: 3650 [2021-10-13 01:17:45,882 INFO L226 Difference]: Without dead ends: 2291 [2021-10-13 01:17:45,885 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2021-10-13 01:17:45,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2021-10-13 01:17:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2021-10-13 01:17:45,937 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 205 [2021-10-13 01:17:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:45,938 INFO L470 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2021-10-13 01:17:45,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2021-10-13 01:17:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-10-13 01:17:45,942 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:45,942 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:45,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:17:45,943 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:45,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1687662639, now seen corresponding path program 1 times [2021-10-13 01:17:45,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:45,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821671097] [2021-10-13 01:17:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:45,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-13 01:17:46,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:46,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821671097] [2021-10-13 01:17:46,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821671097] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:17:46,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622199901] [2021-10-13 01:17:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:46,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:17:46,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:17:46,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:17:46,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:17:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:46,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:17:46,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:17:47,045 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-13 01:17:47,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622199901] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:47,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:17:47,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-13 01:17:47,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636300794] [2021-10-13 01:17:47,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:47,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:47,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:47,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:17:47,056 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:48,051 INFO L93 Difference]: Finished difference Result 4940 states and 6327 transitions. [2021-10-13 01:17:48,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:48,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 211 [2021-10-13 01:17:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:48,068 INFO L225 Difference]: With dead ends: 4940 [2021-10-13 01:17:48,068 INFO L226 Difference]: Without dead ends: 2844 [2021-10-13 01:17:48,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:17:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2021-10-13 01:17:48,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2835. [2021-10-13 01:17:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2834 states have (on average 1.2399435426958363) internal successors, (3514), 2834 states have internal predecessors, (3514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3514 transitions. [2021-10-13 01:17:48,140 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3514 transitions. Word has length 211 [2021-10-13 01:17:48,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:48,141 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 3514 transitions. [2021-10-13 01:17:48,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3514 transitions. [2021-10-13 01:17:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-10-13 01:17:48,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:48,147 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:48,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:17:48,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:17:48,365 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:48,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:48,365 INFO L82 PathProgramCache]: Analyzing trace with hash 152223707, now seen corresponding path program 1 times [2021-10-13 01:17:48,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:48,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550189702] [2021-10-13 01:17:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:48,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:48,557 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:48,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:48,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550189702] [2021-10-13 01:17:48,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550189702] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:48,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:48,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:48,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862592204] [2021-10-13 01:17:48,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:48,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:48,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:48,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:48,560 INFO L87 Difference]: Start difference. First operand 2835 states and 3514 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:50,079 INFO L93 Difference]: Finished difference Result 9389 states and 11845 transitions. [2021-10-13 01:17:50,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:17:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 250 [2021-10-13 01:17:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:50,115 INFO L225 Difference]: With dead ends: 9389 [2021-10-13 01:17:50,115 INFO L226 Difference]: Without dead ends: 6556 [2021-10-13 01:17:50,120 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:50,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2021-10-13 01:17:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 6552. [2021-10-13 01:17:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 6551 states have (on average 1.2399633643718517) internal successors, (8123), 6551 states have internal predecessors, (8123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8123 transitions. [2021-10-13 01:17:50,279 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8123 transitions. Word has length 250 [2021-10-13 01:17:50,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:50,280 INFO L470 AbstractCegarLoop]: Abstraction has 6552 states and 8123 transitions. [2021-10-13 01:17:50,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8123 transitions. [2021-10-13 01:17:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-10-13 01:17:50,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:50,289 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 01:17:50,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:17:50,290 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:50,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:50,290 INFO L82 PathProgramCache]: Analyzing trace with hash 886593799, now seen corresponding path program 1 times [2021-10-13 01:17:50,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:50,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325232013] [2021-10-13 01:17:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:50,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-13 01:17:50,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:50,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325232013] [2021-10-13 01:17:50,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325232013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:50,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:50,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:50,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969088581] [2021-10-13 01:17:50,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:50,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:50,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:50,487 INFO L87 Difference]: Start difference. First operand 6552 states and 8123 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:51,393 INFO L93 Difference]: Finished difference Result 12754 states and 15902 transitions. [2021-10-13 01:17:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:51,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 282 [2021-10-13 01:17:51,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:51,431 INFO L225 Difference]: With dead ends: 12754 [2021-10-13 01:17:51,431 INFO L226 Difference]: Without dead ends: 6572 [2021-10-13 01:17:51,438 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:51,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2021-10-13 01:17:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6368. [2021-10-13 01:17:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6368 states, 6367 states have (on average 1.1941259619915188) internal successors, (7603), 6367 states have internal predecessors, (7603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6368 states to 6368 states and 7603 transitions. [2021-10-13 01:17:51,596 INFO L78 Accepts]: Start accepts. Automaton has 6368 states and 7603 transitions. Word has length 282 [2021-10-13 01:17:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:51,597 INFO L470 AbstractCegarLoop]: Abstraction has 6368 states and 7603 transitions. [2021-10-13 01:17:51,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 6368 states and 7603 transitions. [2021-10-13 01:17:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-13 01:17:51,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:51,605 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-13 01:17:51,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 01:17:51,605 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:51,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:51,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1199418419, now seen corresponding path program 1 times [2021-10-13 01:17:51,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:51,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964502113] [2021-10-13 01:17:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:51,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-13 01:17:51,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:51,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964502113] [2021-10-13 01:17:51,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964502113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:51,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:51,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:51,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406465805] [2021-10-13 01:17:51,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:51,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:51,820 INFO L87 Difference]: Start difference. First operand 6368 states and 7603 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:52,619 INFO L93 Difference]: Finished difference Result 11961 states and 14349 transitions. [2021-10-13 01:17:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 283 [2021-10-13 01:17:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:52,667 INFO L225 Difference]: With dead ends: 11961 [2021-10-13 01:17:52,667 INFO L226 Difference]: Without dead ends: 5963 [2021-10-13 01:17:52,674 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:52,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2021-10-13 01:17:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5777. [2021-10-13 01:17:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 5776 states have (on average 1.143005540166205) internal successors, (6602), 5776 states have internal predecessors, (6602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 6602 transitions. [2021-10-13 01:17:52,830 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 6602 transitions. Word has length 283 [2021-10-13 01:17:52,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:52,830 INFO L470 AbstractCegarLoop]: Abstraction has 5777 states and 6602 transitions. [2021-10-13 01:17:52,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 6602 transitions. [2021-10-13 01:17:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-10-13 01:17:52,839 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:52,839 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 01:17:52,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:17:52,839 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:52,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:52,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1173523924, now seen corresponding path program 1 times [2021-10-13 01:17:52,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:52,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071271134] [2021-10-13 01:17:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:52,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-10-13 01:17:52,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:52,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071271134] [2021-10-13 01:17:52,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071271134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:52,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:52,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:52,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226331080] [2021-10-13 01:17:52,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:52,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:52,995 INFO L87 Difference]: Start difference. First operand 5777 states and 6602 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) [2021-10-13 01:17:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:53,981 INFO L93 Difference]: Finished difference Result 15048 states and 17294 transitions. [2021-10-13 01:17:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:53,984 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 288 [2021-10-13 01:17:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:54,002 INFO L225 Difference]: With dead ends: 15048 [2021-10-13 01:17:54,002 INFO L226 Difference]: Without dead ends: 9641 [2021-10-13 01:17:54,010 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:54,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2021-10-13 01:17:54,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 9641. [2021-10-13 01:17:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9641 states, 9640 states have (on average 1.1198132780082988) internal successors, (10795), 9640 states have internal predecessors, (10795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9641 states to 9641 states and 10795 transitions. [2021-10-13 01:17:54,200 INFO L78 Accepts]: Start accepts. Automaton has 9641 states and 10795 transitions. Word has length 288 [2021-10-13 01:17:54,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:54,201 INFO L470 AbstractCegarLoop]: Abstraction has 9641 states and 10795 transitions. [2021-10-13 01:17:54,201 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) [2021-10-13 01:17:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 9641 states and 10795 transitions. [2021-10-13 01:17:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-10-13 01:17:54,212 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:54,212 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-10-13 01:17:54,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:17:54,213 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash -290095560, now seen corresponding path program 1 times [2021-10-13 01:17:54,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:54,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175948620] [2021-10-13 01:17:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:54,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-10-13 01:17:54,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:54,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175948620] [2021-10-13 01:17:54,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175948620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:54,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:54,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:54,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132847917] [2021-10-13 01:17:54,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:54,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:54,371 INFO L87 Difference]: Start difference. First operand 9641 states and 10795 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) [2021-10-13 01:17:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:55,187 INFO L93 Difference]: Finished difference Result 19459 states and 21827 transitions. [2021-10-13 01:17:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:55,188 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 316 [2021-10-13 01:17:55,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:55,209 INFO L225 Difference]: With dead ends: 19459 [2021-10-13 01:17:55,209 INFO L226 Difference]: Without dead ends: 11296 [2021-10-13 01:17:55,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11296 states. [2021-10-13 01:17:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11296 to 7424. [2021-10-13 01:17:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 7423 states have (on average 1.1225919439579686) internal successors, (8333), 7423 states have internal predecessors, (8333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 8333 transitions. [2021-10-13 01:17:55,378 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 8333 transitions. Word has length 316 [2021-10-13 01:17:55,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:55,379 INFO L470 AbstractCegarLoop]: Abstraction has 7424 states and 8333 transitions. [2021-10-13 01:17:55,379 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) [2021-10-13 01:17:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 8333 transitions. [2021-10-13 01:17:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-10-13 01:17:55,389 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:55,390 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:17:55,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 01:17:55,393 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:55,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:55,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1432121809, now seen corresponding path program 1 times [2021-10-13 01:17:55,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:55,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537349022] [2021-10-13 01:17:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:55,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:55,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:55,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537349022] [2021-10-13 01:17:55,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537349022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:55,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:55,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:55,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173392109] [2021-10-13 01:17:55,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:17:55,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:55,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:17:55,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:55,570 INFO L87 Difference]: Start difference. First operand 7424 states and 8333 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:56,597 INFO L93 Difference]: Finished difference Result 17607 states and 19807 transitions. [2021-10-13 01:17:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:17:56,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 325 [2021-10-13 01:17:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:56,621 INFO L225 Difference]: With dead ends: 17607 [2021-10-13 01:17:56,621 INFO L226 Difference]: Without dead ends: 10553 [2021-10-13 01:17:56,629 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:17:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2021-10-13 01:17:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 10548. [2021-10-13 01:17:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 10547 states have (on average 1.1107423912012895) internal successors, (11715), 10547 states have internal predecessors, (11715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 11715 transitions. [2021-10-13 01:17:56,800 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 11715 transitions. Word has length 325 [2021-10-13 01:17:56,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:56,801 INFO L470 AbstractCegarLoop]: Abstraction has 10548 states and 11715 transitions. [2021-10-13 01:17:56,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 11715 transitions. [2021-10-13 01:17:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-10-13 01:17:56,815 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:56,816 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 01:17:56,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 01:17:56,816 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:56,817 INFO L82 PathProgramCache]: Analyzing trace with hash -625671799, now seen corresponding path program 1 times [2021-10-13 01:17:56,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:56,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728569445] [2021-10-13 01:17:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:56,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:57,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:57,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728569445] [2021-10-13 01:17:57,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728569445] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:57,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:57,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:57,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628028860] [2021-10-13 01:17:57,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:57,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:57,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:57,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:57,006 INFO L87 Difference]: Start difference. First operand 10548 states and 11715 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:58,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:58,508 INFO L93 Difference]: Finished difference Result 23857 states and 26561 transitions. [2021-10-13 01:17:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:17:58,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 328 [2021-10-13 01:17:58,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:58,535 INFO L225 Difference]: With dead ends: 23857 [2021-10-13 01:17:58,535 INFO L226 Difference]: Without dead ends: 13679 [2021-10-13 01:17:58,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:58,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13679 states. [2021-10-13 01:17:58,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13679 to 12756. [2021-10-13 01:17:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2021-10-13 01:17:58,868 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 328 [2021-10-13 01:17:58,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:58,869 INFO L470 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2021-10-13 01:17:58,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2021-10-13 01:17:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-10-13 01:17:58,890 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:58,891 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:58,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 01:17:58,891 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:17:58,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:58,892 INFO L82 PathProgramCache]: Analyzing trace with hash 489054109, now seen corresponding path program 1 times [2021-10-13 01:17:58,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:58,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313476027] [2021-10-13 01:17:58,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:58,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-13 01:17:59,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:59,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313476027] [2021-10-13 01:17:59,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313476027] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:59,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:59,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:59,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865292134] [2021-10-13 01:17:59,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:59,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:59,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:59,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:59,144 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:18:00,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:18:00,476 INFO L93 Difference]: Finished difference Result 27169 states and 29817 transitions. [2021-10-13 01:18:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:18:00,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 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 402 [2021-10-13 01:18:00,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:18:00,503 INFO L225 Difference]: With dead ends: 27169 [2021-10-13 01:18:00,503 INFO L226 Difference]: Without dead ends: 14783 [2021-10-13 01:18:00,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:18:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14783 states. [2021-10-13 01:18:00,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14783 to 12756. [2021-10-13 01:18:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12756 states, 12755 states have (on average 1.0953351626813015) internal successors, (13971), 12755 states have internal predecessors, (13971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:18:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12756 states to 12756 states and 13971 transitions. [2021-10-13 01:18:00,794 INFO L78 Accepts]: Start accepts. Automaton has 12756 states and 13971 transitions. Word has length 402 [2021-10-13 01:18:00,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:18:00,794 INFO L470 AbstractCegarLoop]: Abstraction has 12756 states and 13971 transitions. [2021-10-13 01:18:00,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:18:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 12756 states and 13971 transitions. [2021-10-13 01:18:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2021-10-13 01:18:00,839 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:18:00,839 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:18:00,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 01:18:00,840 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:18:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:18:00,841 INFO L82 PathProgramCache]: Analyzing trace with hash -453324163, now seen corresponding path program 1 times [2021-10-13 01:18:00,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:18:00,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093915658] [2021-10-13 01:18:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:18:00,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:18:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:18:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1573 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2021-10-13 01:18:01,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:18:01,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093915658] [2021-10-13 01:18:01,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093915658] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:18:01,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:18:01,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:18:01,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385832731] [2021-10-13 01:18:01,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:18:01,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:18:01,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:18:01,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:18:01,477 INFO L87 Difference]: Start difference. First operand 12756 states and 13971 transitions. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:18:02,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:18:02,222 INFO L93 Difference]: Finished difference Result 28084 states and 30815 transitions. [2021-10-13 01:18:02,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:18:02,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 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 895 [2021-10-13 01:18:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:18:02,224 INFO L225 Difference]: With dead ends: 28084 [2021-10-13 01:18:02,224 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:18:02,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:18:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:18:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:18:02,233 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) [2021-10-13 01:18:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:18:02,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 895 [2021-10-13 01:18:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:18:02,234 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:18:02,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:18:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:18:02,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:18:02,237 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:18:02,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 01:18:02,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:18:02,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:18:02,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:18:02,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:18:03,403 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-13 01:18:03,403 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,403 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-13 01:18:03,404 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,405 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-13 01:18:03,406 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-13 01:18:03,407 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-13 01:18:03,408 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-13 01:18:03,408 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,408 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,408 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,414 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse5 (<= ~a29~0 599998)) (.cse6 (<= ~a25~0 10)) (.cse10 (< 245 ~a29~0)) (.cse0 (= ~a4~0 0)) (.cse7 (<= ~a29~0 274)) (.cse3 (<= ~a23~0 312)) (.cse2 (< 0 (+ ~a23~0 43))) (.cse8 (= ~a4~0 1)) (.cse9 (<= 13 ~a25~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse6 .cse5 .cse3) (and .cse4 .cse7 .cse8) (and .cse4 .cse2 .cse8) (and .cse2 .cse8 .cse3) (and (<= (+ ~a23~0 599772) 0) .cse8 .cse9) (and .cse0 .cse1 .cse6) (and .cse10 .cse0 .cse6 .cse5 .cse3) (and (<= (+ ~a29~0 21) 0) .cse8) (and (= ~a25~0 12) .cse0 .cse5) (and .cse2 .cse5 .cse8) (and .cse6 .cse8) (and .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse7 .cse3) (and .cse2 .cse8 .cse9))) [2021-10-13 01:18:03,414 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,415 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 01:18:03,416 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-13 01:18:03,417 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,417 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,417 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,418 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,418 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,418 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,419 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,420 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,421 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse5 (<= ~a29~0 599998)) (.cse6 (<= ~a25~0 10)) (.cse10 (< 245 ~a29~0)) (.cse0 (= ~a4~0 0)) (.cse7 (<= ~a29~0 274)) (.cse3 (<= ~a23~0 312)) (.cse2 (< 0 (+ ~a23~0 43))) (.cse8 (= ~a4~0 1)) (.cse9 (<= 13 ~a25~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse6 .cse5 .cse3) (and .cse4 .cse7 .cse8) (and .cse4 .cse2 .cse8) (and .cse2 .cse8 .cse3) (and (<= (+ ~a23~0 599772) 0) .cse8 .cse9) (and .cse0 .cse1 .cse6) (and .cse10 .cse0 .cse6 .cse5 .cse3) (and (<= (+ ~a29~0 21) 0) .cse8) (and (= ~a25~0 12) .cse0 .cse5) (and .cse2 .cse5 .cse8) (and .cse6 .cse8) (and .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse7 .cse3) (and .cse2 .cse8 .cse9))) [2021-10-13 01:18:03,422 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,423 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-13 01:18:03,424 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,425 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,426 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,427 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-13 01:18:03,428 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-13 01:18:03,429 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-13 01:18:03,430 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 01:18:03,431 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,432 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,433 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,433 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-13 01:18:03,434 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-13 01:18:03,435 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-13 01:18:03,436 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,437 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,438 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,439 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,440 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,441 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-13 01:18:03,442 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,443 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,443 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,443 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,443 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,443 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,444 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,445 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,446 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,447 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-13 01:18:03,448 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,449 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,450 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,450 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 01:18:03,450 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-13 01:18:03,451 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-13 01:18:03,452 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-13 01:18:03,452 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-13 01:18:03,452 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-13 01:18:03,452 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,452 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,453 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,453 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,453 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,455 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,455 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,455 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-13 01:18:03,455 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,456 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,457 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-13 01:18:03,458 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 01:18:03,459 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-13 01:18:03,465 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:18:03,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:18:03 BoogieIcfgContainer [2021-10-13 01:18:03,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:18:03,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:18:03,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:18:03,517 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:18:03,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:39" (3/4) ... [2021-10-13 01:18:03,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:18:03,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 01:18:03,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:18:03,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:18:03,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:18:03,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:18:03,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:18:03,718 INFO L168 Benchmark]: Toolchain (without parser) took 27174.56 ms. Allocated memory was 111.1 MB in the beginning and 671.1 MB in the end (delta: 559.9 MB). Free memory was 76.7 MB in the beginning and 352.4 MB in the end (delta: -275.7 MB). Peak memory consumption was 283.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,718 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:18:03,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.68 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 76.5 MB in the beginning and 117.6 MB in the end (delta: -41.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.17 ms. Allocated memory is still 146.8 MB. Free memory was 117.5 MB in the beginning and 101.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,719 INFO L168 Benchmark]: Boogie Preprocessor took 152.16 ms. Allocated memory is still 146.8 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,720 INFO L168 Benchmark]: RCFGBuilder took 1968.23 ms. Allocated memory was 146.8 MB in the beginning and 241.2 MB in the end (delta: 94.4 MB). Free memory was 91.4 MB in the beginning and 173.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,720 INFO L168 Benchmark]: TraceAbstraction took 23752.78 ms. Allocated memory was 241.2 MB in the beginning and 671.1 MB in the end (delta: 429.9 MB). Free memory was 173.4 MB in the beginning and 377.6 MB in the end (delta: -204.1 MB). Peak memory consumption was 227.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,720 INFO L168 Benchmark]: Witness Printer took 199.54 ms. Allocated memory is still 671.1 MB. Free memory was 377.6 MB in the beginning and 352.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:18:03,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 895.68 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 76.5 MB in the beginning and 117.6 MB in the end (delta: -41.1 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 196.17 ms. Allocated memory is still 146.8 MB. Free memory was 117.5 MB in the beginning and 101.1 MB in the end (delta: 16.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.16 ms. Allocated memory is still 146.8 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1968.23 ms. Allocated memory was 146.8 MB in the beginning and 241.2 MB in the end (delta: 94.4 MB). Free memory was 91.4 MB in the beginning and 173.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23752.78 ms. Allocated memory was 241.2 MB in the beginning and 671.1 MB in the end (delta: 429.9 MB). Free memory was 173.4 MB in the beginning and 377.6 MB in the end (delta: -204.1 MB). Peak memory consumption was 227.6 MB. Max. memory is 16.1 GB. * Witness Printer took 199.54 ms. Allocated memory is still 671.1 MB. Free memory was 377.6 MB in the beginning and 352.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 85]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23633.6ms, OverallIterations: 15, TraceHistogramMax: 8, EmptinessCheckTime: 156.9ms, AutomataDifference: 15878.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1164.2ms, InitialAbstractionConstructionTime: 18.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2650 SDtfs, 2689 SDslu, 365 SDs, 0 SdLazy, 9541 SolverSat, 1903 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11536.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 58.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12756occurred in iteration=13, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1908.1ms AutomataMinimizationTime, 15 MinimizatonAttempts, 7438 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 175 NumberOfFragments, 393 HoareAnnotationTreeSize, 3 FomulaSimplifications, 6366 FormulaSimplificationTreeSizeReduction, 395.2ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1470 FormulaSimplificationTreeSizeReductionInter, 759.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 256.3ms SsaConstructionTime, 833.6ms SatisfiabilityAnalysisTime, 2784.6ms InterpolantComputationTime, 4353 NumberOfCodeBlocks, 4353 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4337 ConstructedInterpolants, 0 QuantifiedInterpolants, 9771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 4756/4772 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 312) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || ((a25 == 11 && a29 <= 274) && a4 == 1)) || ((a25 == 11 && 0 < a23 + 43) && a4 == 1)) || ((0 < a23 + 43 && a4 == 1) && a23 <= 312)) || ((a23 + 599772 <= 0 && a4 == 1) && 13 <= a25)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((((245 < a29 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || (a29 + 21 <= 0 && a4 == 1)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((0 < a23 + 43 && a29 <= 599998) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || ((a29 <= 274 && a4 == 1) && 13 <= a25)) || (((245 < a29 && a4 == 0) && a29 <= 274) && a23 <= 312)) || ((0 < a23 + 43 && a4 == 1) && 13 <= a25) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((a4 == 0 && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 312) || (((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || ((a25 == 11 && a29 <= 274) && a4 == 1)) || ((a25 == 11 && 0 < a23 + 43) && a4 == 1)) || ((0 < a23 + 43 && a4 == 1) && a23 <= 312)) || ((a23 + 599772 <= 0 && a4 == 1) && 13 <= a25)) || ((a4 == 0 && a29 + 22 <= 0) && a25 <= 10)) || ((((245 < a29 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a23 <= 312)) || (a29 + 21 <= 0 && a4 == 1)) || ((a25 == 12 && a4 == 0) && a29 <= 599998)) || ((0 < a23 + 43 && a29 <= 599998) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || ((a29 <= 274 && a4 == 1) && 13 <= a25)) || (((245 < a29 && a4 == 0) && a29 <= 274) && a23 <= 312)) || ((0 < a23 + 43 && a4 == 1) && 13 <= a25) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 01:18:03,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceac3f92-00b2-401f-99ba-225b69b4bb3d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...