./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg --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 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:44:37,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:44:37,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:44:37,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:44:37,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:44:37,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:44:37,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:44:37,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:44:37,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:44:37,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:44:37,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:44:37,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:44:37,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:44:37,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:44:37,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:44:37,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:44:37,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:44:37,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:44:37,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:44:37,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:44:37,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:44:37,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:44:37,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:44:37,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:44:37,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:44:37,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:44:37,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:44:37,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:44:37,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:44:37,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:44:37,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:44:37,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:44:37,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:44:37,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:44:37,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:44:37,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:44:37,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:44:37,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:44:37,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:44:37,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:44:37,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:44:37,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:44:37,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:44:37,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:44:37,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:44:37,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:44:37,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:44:37,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:44:37,860 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:44:37,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:44:37,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:44:37,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:44:37,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:44:37,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:44:37,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:44:37,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:44:37,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:44:37,862 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:44:37,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:44:37,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:44:37,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:44:37,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:44:37,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:44:37,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:44:37,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:44:37,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:44:37,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:44:37,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:44:37,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:44:37,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:44:37,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:44:37,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:44:37,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:44:37,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:44:37,867 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_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 [2021-10-28 08:44:38,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:44:38,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:44:38,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:44:38,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:44:38,281 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:44:38,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2021-10-28 08:44:38,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/data/06b0e9455/f5b054ce61b54a37babfa42bd6931989/FLAGc41e58e01 [2021-10-28 08:44:39,249 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:44:39,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2021-10-28 08:44:39,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/data/06b0e9455/f5b054ce61b54a37babfa42bd6931989/FLAGc41e58e01 [2021-10-28 08:44:39,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/data/06b0e9455/f5b054ce61b54a37babfa42bd6931989 [2021-10-28 08:44:39,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:44:39,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:44:39,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:39,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:44:39,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:44:39,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:39" (1/1) ... [2021-10-28 08:44:39,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e72a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:39, skipping insertion in model container [2021-10-28 08:44:39,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:39" (1/1) ... [2021-10-28 08:44:39,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:44:39,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:44:40,264 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_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/sv-benchmarks/c/eca-rers2012/Problem15_label57.c[5113,5126] [2021-10-28 08:44:40,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:40,955 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:44:41,016 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_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/sv-benchmarks/c/eca-rers2012/Problem15_label57.c[5113,5126] [2021-10-28 08:44:41,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:41,404 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:44:41,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41 WrapperNode [2021-10-28 08:44:41,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:41,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:41,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:44:41,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:44:41,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:41,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:41,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:41,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:44:41,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:44:41,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:44:41,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:41,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:41,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:41,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:42,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:42,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:42,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:42,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:44:42,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:44:42,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:44:42,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:44:42,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (1/1) ... [2021-10-28 08:44:42,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:44:42,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:42,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:42,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:44:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:44:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:44:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:44:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:44:46,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:44:46,228 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 08:44:46,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:46 BoogieIcfgContainer [2021-10-28 08:44:46,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:44:46,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:44:46,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:44:46,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:44:46,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:44:39" (1/3) ... [2021-10-28 08:44:46,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be798ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:44:46, skipping insertion in model container [2021-10-28 08:44:46,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:41" (2/3) ... [2021-10-28 08:44:46,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be798ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:44:46, skipping insertion in model container [2021-10-28 08:44:46,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:46" (3/3) ... [2021-10-28 08:44:46,281 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label57.c [2021-10-28 08:44:46,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:44:46,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:44:46,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:44:46,362 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:44:46,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:44:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-28 08:44:46,404 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:44:46,405 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:46,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:44:46,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:46,413 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2021-10-28 08:44:46,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:46,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862009902] [2021-10-28 08:44:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:46,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:46,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:46,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862009902] [2021-10-28 08:44:46,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862009902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:46,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:46,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:44:46,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033241843] [2021-10-28 08:44:46,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:44:46,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:44:46,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:46,863 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:50,494 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-10-28 08:44:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:44:50,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2021-10-28 08:44:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:44:50,521 INFO L225 Difference]: With dead ends: 1154 [2021-10-28 08:44:50,521 INFO L226 Difference]: Without dead ends: 665 [2021-10-28 08:44:50,528 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-10-28 08:44:50,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-10-28 08:44:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-10-28 08:44:50,672 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 41 [2021-10-28 08:44:50,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:44:50,673 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-10-28 08:44:50,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-10-28 08:44:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 08:44:50,679 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:44:50,680 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:50,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:44:50,681 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:44:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:50,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1261028001, now seen corresponding path program 1 times [2021-10-28 08:44:50,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:50,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154860450] [2021-10-28 08:44:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:50,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:50,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:50,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154860450] [2021-10-28 08:44:50,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154860450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:50,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:50,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:44:50,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481705233] [2021-10-28 08:44:50,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:44:50,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:50,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:44:50,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:50,938 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:53,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:53,590 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-10-28 08:44:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:44:53,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-28 08:44:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:44:53,605 INFO L225 Difference]: With dead ends: 1624 [2021-10-28 08:44:53,606 INFO L226 Difference]: Without dead ends: 963 [2021-10-28 08:44:53,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-28 08:44:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-10-28 08:44:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-10-28 08:44:53,651 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 106 [2021-10-28 08:44:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:44:53,652 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-10-28 08:44:53,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-10-28 08:44:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-28 08:44:53,656 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:44:53,656 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:53,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:44:53,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:44:53,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1401995186, now seen corresponding path program 1 times [2021-10-28 08:44:53,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:53,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519948809] [2021-10-28 08:44:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:53,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:53,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:53,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519948809] [2021-10-28 08:44:53,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519948809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:53,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:53,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:44:53,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839666791] [2021-10-28 08:44:53,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:44:53,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:53,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:44:53,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:53,796 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:56,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:56,144 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-10-28 08:44:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:44:56,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-10-28 08:44:56,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:44:56,159 INFO L225 Difference]: With dead ends: 2229 [2021-10-28 08:44:56,160 INFO L226 Difference]: Without dead ends: 1567 [2021-10-28 08:44:56,162 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-10-28 08:44:56,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-10-28 08:44:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-10-28 08:44:56,206 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 111 [2021-10-28 08:44:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:44:56,207 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-10-28 08:44:56,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-10-28 08:44:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-28 08:44:56,222 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:44:56,222 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:44:56,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:44:56,223 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:44:56,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -44666358, now seen corresponding path program 1 times [2021-10-28 08:44:56,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:56,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896282657] [2021-10-28 08:44:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:56,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:56,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:56,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896282657] [2021-10-28 08:44:56,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896282657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:56,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:56,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:44:56,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869268706] [2021-10-28 08:44:56,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:44:56,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:56,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:44:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:44:56,534 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:02,420 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2021-10-28 08:45:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:45:02,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2021-10-28 08:45:02,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:02,445 INFO L225 Difference]: With dead ends: 4668 [2021-10-28 08:45:02,445 INFO L226 Difference]: Without dead ends: 3404 [2021-10-28 08:45:02,449 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:45:02,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-10-28 08:45:02,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-10-28 08:45:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2021-10-28 08:45:02,574 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 207 [2021-10-28 08:45:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:02,576 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2021-10-28 08:45:02,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2021-10-28 08:45:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-10-28 08:45:02,582 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:02,582 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:02,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:45:02,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:02,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:02,585 INFO L85 PathProgramCache]: Analyzing trace with hash -146108908, now seen corresponding path program 1 times [2021-10-28 08:45:02,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:02,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429743612] [2021-10-28 08:45:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:02,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 08:45:02,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:02,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429743612] [2021-10-28 08:45:02,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429743612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:02,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:02,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:02,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38000241] [2021-10-28 08:45:02,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:02,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:02,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:02,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:02,760 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:04,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:04,671 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2021-10-28 08:45:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:04,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 [2021-10-28 08:45:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:04,721 INFO L225 Difference]: With dead ends: 8563 [2021-10-28 08:45:04,721 INFO L226 Difference]: Without dead ends: 5483 [2021-10-28 08:45:04,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:04,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-10-28 08:45:04,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-10-28 08:45:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-10-28 08:45:04,926 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 211 [2021-10-28 08:45:04,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:04,927 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-10-28 08:45:04,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-10-28 08:45:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-10-28 08:45:04,935 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:04,935 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:04,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:45:04,936 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:04,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2037693932, now seen corresponding path program 1 times [2021-10-28 08:45:04,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:04,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943487822] [2021-10-28 08:45:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:04,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-28 08:45:05,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:05,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943487822] [2021-10-28 08:45:05,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943487822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:05,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:05,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:05,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872650986] [2021-10-28 08:45:05,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:05,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:05,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:05,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:05,177 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:07,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:07,156 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2021-10-28 08:45:07,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:07,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 313 [2021-10-28 08:45:07,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:07,195 INFO L225 Difference]: With dead ends: 10655 [2021-10-28 08:45:07,195 INFO L226 Difference]: Without dead ends: 5478 [2021-10-28 08:45:07,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:07,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-10-28 08:45:07,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-10-28 08:45:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:07,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2021-10-28 08:45:07,403 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 313 [2021-10-28 08:45:07,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:07,404 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2021-10-28 08:45:07,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:07,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2021-10-28 08:45:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-10-28 08:45:07,412 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:07,412 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:07,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:45:07,413 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:07,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash -676681507, now seen corresponding path program 1 times [2021-10-28 08:45:07,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:07,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176256765] [2021-10-28 08:45:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:07,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 08:45:07,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:07,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176256765] [2021-10-28 08:45:07,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176256765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:07,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:07,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:07,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655296719] [2021-10-28 08:45:07,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:07,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:07,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:07,605 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:10,196 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2021-10-28 08:45:10,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:10,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 [2021-10-28 08:45:10,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:10,248 INFO L225 Difference]: With dead ends: 11851 [2021-10-28 08:45:10,249 INFO L226 Difference]: Without dead ends: 6674 [2021-10-28 08:45:10,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:10,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-10-28 08:45:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2021-10-28 08:45:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2021-10-28 08:45:10,431 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 328 [2021-10-28 08:45:10,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:10,432 INFO L470 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2021-10-28 08:45:10,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:10,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2021-10-28 08:45:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-10-28 08:45:10,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:10,442 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:10,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:45:10,442 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:10,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash -753271270, now seen corresponding path program 1 times [2021-10-28 08:45:10,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:10,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242626885] [2021-10-28 08:45:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:10,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 08:45:10,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:10,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242626885] [2021-10-28 08:45:10,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242626885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:10,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:10,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:10,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749417722] [2021-10-28 08:45:10,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:10,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:10,717 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:12,948 INFO L93 Difference]: Finished difference Result 10955 states and 13233 transitions. [2021-10-28 08:45:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:12,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 387 [2021-10-28 08:45:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:12,981 INFO L225 Difference]: With dead ends: 10955 [2021-10-28 08:45:12,981 INFO L226 Difference]: Without dead ends: 6679 [2021-10-28 08:45:12,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:12,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2021-10-28 08:45:13,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6081. [2021-10-28 08:45:13,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1572368421052632) internal successors, (7036), 6080 states have internal predecessors, (7036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7036 transitions. [2021-10-28 08:45:13,138 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7036 transitions. Word has length 387 [2021-10-28 08:45:13,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:13,139 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7036 transitions. [2021-10-28 08:45:13,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7036 transitions. [2021-10-28 08:45:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-28 08:45:13,150 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:13,150 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:13,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:45:13,151 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash -20645050, now seen corresponding path program 1 times [2021-10-28 08:45:13,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:13,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379300527] [2021-10-28 08:45:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:13,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:45:13,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:13,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379300527] [2021-10-28 08:45:13,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379300527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:13,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:13,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:13,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686010839] [2021-10-28 08:45:13,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:13,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:13,333 INFO L87 Difference]: Start difference. First operand 6081 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:15,580 INFO L93 Difference]: Finished difference Result 13965 states and 16476 transitions. [2021-10-28 08:45:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:15,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 393 [2021-10-28 08:45:15,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:15,599 INFO L225 Difference]: With dead ends: 13965 [2021-10-28 08:45:15,599 INFO L226 Difference]: Without dead ends: 8185 [2021-10-28 08:45:15,606 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2021-10-28 08:45:15,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 7584. [2021-10-28 08:45:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7584 states, 7583 states have (on average 1.1422919688777529) internal successors, (8662), 7583 states have internal predecessors, (8662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:15,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7584 states to 7584 states and 8662 transitions. [2021-10-28 08:45:15,823 INFO L78 Accepts]: Start accepts. Automaton has 7584 states and 8662 transitions. Word has length 393 [2021-10-28 08:45:15,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:15,824 INFO L470 AbstractCegarLoop]: Abstraction has 7584 states and 8662 transitions. [2021-10-28 08:45:15,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 7584 states and 8662 transitions. [2021-10-28 08:45:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-10-28 08:45:15,829 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:15,830 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:15,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:45:15,830 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash 236880845, now seen corresponding path program 1 times [2021-10-28 08:45:15,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:15,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183997018] [2021-10-28 08:45:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:15,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 08:45:16,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:16,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183997018] [2021-10-28 08:45:16,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183997018] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:16,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:16,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:16,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695155060] [2021-10-28 08:45:16,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:16,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:16,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:16,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:16,007 INFO L87 Difference]: Start difference. First operand 7584 states and 8662 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:18,075 INFO L93 Difference]: Finished difference Result 16661 states and 19392 transitions. [2021-10-28 08:45:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:18,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 410 [2021-10-28 08:45:18,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:18,106 INFO L225 Difference]: With dead ends: 16661 [2021-10-28 08:45:18,106 INFO L226 Difference]: Without dead ends: 9378 [2021-10-28 08:45:18,112 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2021-10-28 08:45:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9075. [2021-10-28 08:45:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9075 states, 9074 states have (on average 1.1318051575931232) internal successors, (10270), 9074 states have internal predecessors, (10270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9075 states to 9075 states and 10270 transitions. [2021-10-28 08:45:18,279 INFO L78 Accepts]: Start accepts. Automaton has 9075 states and 10270 transitions. Word has length 410 [2021-10-28 08:45:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:18,280 INFO L470 AbstractCegarLoop]: Abstraction has 9075 states and 10270 transitions. [2021-10-28 08:45:18,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 9075 states and 10270 transitions. [2021-10-28 08:45:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-10-28 08:45:18,288 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:18,288 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:18,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:45:18,289 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:18,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1747364082, now seen corresponding path program 1 times [2021-10-28 08:45:18,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:18,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402668798] [2021-10-28 08:45:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:18,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 487 proven. 39 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-28 08:45:18,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:18,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402668798] [2021-10-28 08:45:18,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402668798] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:45:18,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913088947] [2021-10-28 08:45:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:18,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:45:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:18,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:45:18,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:45:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:18,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:45:18,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:45:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 08:45:20,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913088947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:20,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:45:20,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:45:20,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403947275] [2021-10-28 08:45:20,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:20,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:20,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:20,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:45:20,330 INFO L87 Difference]: Start difference. First operand 9075 states and 10270 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:22,607 INFO L93 Difference]: Finished difference Result 20240 states and 23189 transitions. [2021-10-28 08:45:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:22,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 525 [2021-10-28 08:45:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:22,637 INFO L225 Difference]: With dead ends: 20240 [2021-10-28 08:45:22,637 INFO L226 Difference]: Without dead ends: 11466 [2021-10-28 08:45:22,648 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:45:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11466 states. [2021-10-28 08:45:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11466 to 11466. [2021-10-28 08:45:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11466 states, 11465 states have (on average 1.1365896205843873) internal successors, (13031), 11465 states have internal predecessors, (13031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11466 states to 11466 states and 13031 transitions. [2021-10-28 08:45:22,973 INFO L78 Accepts]: Start accepts. Automaton has 11466 states and 13031 transitions. Word has length 525 [2021-10-28 08:45:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:22,974 INFO L470 AbstractCegarLoop]: Abstraction has 11466 states and 13031 transitions. [2021-10-28 08:45:22,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 11466 states and 13031 transitions. [2021-10-28 08:45:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2021-10-28 08:45:22,986 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:22,987 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:23,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:45:23,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 08:45:23,215 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:23,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2144669948, now seen corresponding path program 1 times [2021-10-28 08:45:23,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:23,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404070284] [2021-10-28 08:45:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:23,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-10-28 08:45:23,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:23,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404070284] [2021-10-28 08:45:23,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404070284] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:23,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:23,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:23,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440034831] [2021-10-28 08:45:23,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:23,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:23,533 INFO L87 Difference]: Start difference. First operand 11466 states and 13031 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:26,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:26,235 INFO L93 Difference]: Finished difference Result 27130 states and 31138 transitions. [2021-10-28 08:45:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 529 [2021-10-28 08:45:26,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:26,274 INFO L225 Difference]: With dead ends: 27130 [2021-10-28 08:45:26,274 INFO L226 Difference]: Without dead ends: 15965 [2021-10-28 08:45:26,285 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15965 states. [2021-10-28 08:45:26,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15965 to 15356. [2021-10-28 08:45:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15356 states, 15355 states have (on average 1.1285574731357864) internal successors, (17329), 15355 states have internal predecessors, (17329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15356 states to 15356 states and 17329 transitions. [2021-10-28 08:45:26,547 INFO L78 Accepts]: Start accepts. Automaton has 15356 states and 17329 transitions. Word has length 529 [2021-10-28 08:45:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:26,548 INFO L470 AbstractCegarLoop]: Abstraction has 15356 states and 17329 transitions. [2021-10-28 08:45:26,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 15356 states and 17329 transitions. [2021-10-28 08:45:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-10-28 08:45:26,566 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:26,567 INFO L513 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:45:26,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 08:45:26,568 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:26,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1150914448, now seen corresponding path program 1 times [2021-10-28 08:45:26,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:26,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495790596] [2021-10-28 08:45:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:26,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 644 proven. 39 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2021-10-28 08:45:26,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:26,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495790596] [2021-10-28 08:45:26,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495790596] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:45:26,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449462479] [2021-10-28 08:45:26,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:26,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:45:26,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:26,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:45:26,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:45:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:27,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:45:27,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:45:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 08:45:28,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449462479] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:28,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:45:28,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 08:45:28,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772515083] [2021-10-28 08:45:28,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:28,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:28,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:28,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:45:28,658 INFO L87 Difference]: Start difference. First operand 15356 states and 17329 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:30,851 INFO L93 Difference]: Finished difference Result 30108 states and 34016 transitions. [2021-10-28 08:45:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:30,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 604 [2021-10-28 08:45:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:30,878 INFO L225 Difference]: With dead ends: 30108 [2021-10-28 08:45:30,878 INFO L226 Difference]: Without dead ends: 15053 [2021-10-28 08:45:30,889 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:45:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2021-10-28 08:45:31,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15052. [2021-10-28 08:45:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15052 states, 15051 states have (on average 1.0794631585941135) internal successors, (16247), 15051 states have internal predecessors, (16247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15052 states to 15052 states and 16247 transitions. [2021-10-28 08:45:31,105 INFO L78 Accepts]: Start accepts. Automaton has 15052 states and 16247 transitions. Word has length 604 [2021-10-28 08:45:31,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:31,106 INFO L470 AbstractCegarLoop]: Abstraction has 15052 states and 16247 transitions. [2021-10-28 08:45:31,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 15052 states and 16247 transitions. [2021-10-28 08:45:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-10-28 08:45:31,120 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:31,121 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 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, 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] [2021-10-28 08:45:31,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:45:31,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 08:45:31,343 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2107718095, now seen corresponding path program 1 times [2021-10-28 08:45:31,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:31,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483493374] [2021-10-28 08:45:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:31,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-10-28 08:45:31,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:31,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483493374] [2021-10-28 08:45:31,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483493374] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:45:31,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651112299] [2021-10-28 08:45:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:31,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:45:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:31,681 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:45:31,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:45:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:32,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:45:32,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:45:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-10-28 08:45:34,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651112299] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:45:34,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:45:34,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 08:45:34,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184813835] [2021-10-28 08:45:34,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:45:34,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:34,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:45:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:45:34,567 INFO L87 Difference]: Start difference. First operand 15052 states and 16247 transitions. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:41,340 INFO L93 Difference]: Finished difference Result 37379 states and 40293 transitions. [2021-10-28 08:45:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:45:41,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 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 605 [2021-10-28 08:45:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:41,367 INFO L225 Difference]: With dead ends: 37379 [2021-10-28 08:45:41,367 INFO L226 Difference]: Without dead ends: 16544 [2021-10-28 08:45:41,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:45:41,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16544 states. [2021-10-28 08:45:41,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16544 to 12357. [2021-10-28 08:45:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0435415992230495) internal successors, (12894), 12356 states have internal predecessors, (12894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12894 transitions. [2021-10-28 08:45:41,612 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12894 transitions. Word has length 605 [2021-10-28 08:45:41,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:41,613 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12894 transitions. [2021-10-28 08:45:41,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12894 transitions. [2021-10-28 08:45:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2021-10-28 08:45:41,626 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:41,627 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:45:41,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:45:41,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 08:45:41,843 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:41,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash -357542820, now seen corresponding path program 1 times [2021-10-28 08:45:41,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:41,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957647793] [2021-10-28 08:45:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:41,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-28 08:45:42,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:42,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957647793] [2021-10-28 08:45:42,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957647793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:42,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:42,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:42,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426459961] [2021-10-28 08:45:42,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:42,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:42,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:42,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:42,297 INFO L87 Difference]: Start difference. First operand 12357 states and 12894 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:43,605 INFO L93 Difference]: Finished difference Result 28594 states and 29844 transitions. [2021-10-28 08:45:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:43,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 642 [2021-10-28 08:45:43,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:43,624 INFO L225 Difference]: With dead ends: 28594 [2021-10-28 08:45:43,625 INFO L226 Difference]: Without dead ends: 15940 [2021-10-28 08:45:43,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:43,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2021-10-28 08:45:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15342. [2021-10-28 08:45:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15342 states, 15341 states have (on average 1.036829411381266) internal successors, (15906), 15341 states have internal predecessors, (15906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15342 states to 15342 states and 15906 transitions. [2021-10-28 08:45:44,010 INFO L78 Accepts]: Start accepts. Automaton has 15342 states and 15906 transitions. Word has length 642 [2021-10-28 08:45:44,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:44,011 INFO L470 AbstractCegarLoop]: Abstraction has 15342 states and 15906 transitions. [2021-10-28 08:45:44,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 15342 states and 15906 transitions. [2021-10-28 08:45:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-10-28 08:45:44,025 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:44,026 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:44,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 08:45:44,026 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:44,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:44,027 INFO L85 PathProgramCache]: Analyzing trace with hash -698917892, now seen corresponding path program 1 times [2021-10-28 08:45:44,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:44,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852969347] [2021-10-28 08:45:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:44,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-10-28 08:45:44,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:44,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852969347] [2021-10-28 08:45:44,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852969347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:44,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:44,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:45:44,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981287643] [2021-10-28 08:45:44,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:45:44,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:44,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:45:44,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:45:44,338 INFO L87 Difference]: Start difference. First operand 15342 states and 15906 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:46,657 INFO L93 Difference]: Finished difference Result 34571 states and 35887 transitions. [2021-10-28 08:45:46,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:45:46,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 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 666 [2021-10-28 08:45:46,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:46,681 INFO L225 Difference]: With dead ends: 34571 [2021-10-28 08:45:46,682 INFO L226 Difference]: Without dead ends: 18932 [2021-10-28 08:45:46,692 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:45:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2021-10-28 08:45:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18035. [2021-10-28 08:45:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18035 states, 18034 states have (on average 1.034213152933348) internal successors, (18651), 18034 states have internal predecessors, (18651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18035 states to 18035 states and 18651 transitions. [2021-10-28 08:45:46,967 INFO L78 Accepts]: Start accepts. Automaton has 18035 states and 18651 transitions. Word has length 666 [2021-10-28 08:45:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:46,968 INFO L470 AbstractCegarLoop]: Abstraction has 18035 states and 18651 transitions. [2021-10-28 08:45:46,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 18035 states and 18651 transitions. [2021-10-28 08:45:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-10-28 08:45:46,994 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:46,998 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:46,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 08:45:46,999 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:46,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:47,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1885333812, now seen corresponding path program 1 times [2021-10-28 08:45:47,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:47,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980071082] [2021-10-28 08:45:47,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:47,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-10-28 08:45:47,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:47,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980071082] [2021-10-28 08:45:47,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980071082] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:47,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:47,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:47,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327335258] [2021-10-28 08:45:47,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:47,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:47,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:47,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:47,410 INFO L87 Difference]: Start difference. First operand 18035 states and 18651 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:48,654 INFO L93 Difference]: Finished difference Result 36364 states and 37607 transitions. [2021-10-28 08:45:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:48,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 697 [2021-10-28 08:45:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:48,676 INFO L225 Difference]: With dead ends: 36364 [2021-10-28 08:45:48,676 INFO L226 Difference]: Without dead ends: 18331 [2021-10-28 08:45:48,688 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18331 states. [2021-10-28 08:45:48,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18331 to 18031. [2021-10-28 08:45:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18031 states, 18030 states have (on average 1.0340543538546867) internal successors, (18644), 18030 states have internal predecessors, (18644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18031 states to 18031 states and 18644 transitions. [2021-10-28 08:45:48,992 INFO L78 Accepts]: Start accepts. Automaton has 18031 states and 18644 transitions. Word has length 697 [2021-10-28 08:45:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:48,992 INFO L470 AbstractCegarLoop]: Abstraction has 18031 states and 18644 transitions. [2021-10-28 08:45:48,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 18031 states and 18644 transitions. [2021-10-28 08:45:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2021-10-28 08:45:49,015 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:49,016 INFO L513 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:49,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 08:45:49,016 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:49,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:49,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1320990413, now seen corresponding path program 1 times [2021-10-28 08:45:49,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:49,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121148381] [2021-10-28 08:45:49,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:49,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-10-28 08:45:49,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:49,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121148381] [2021-10-28 08:45:49,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121148381] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:49,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:49,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:49,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120562063] [2021-10-28 08:45:49,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:49,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:49,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:49,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:49,394 INFO L87 Difference]: Start difference. First operand 18031 states and 18644 transitions. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:50,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:50,778 INFO L93 Difference]: Finished difference Result 38748 states and 40085 transitions. [2021-10-28 08:45:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:50,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 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 768 [2021-10-28 08:45:50,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:50,797 INFO L225 Difference]: With dead ends: 38748 [2021-10-28 08:45:50,797 INFO L226 Difference]: Without dead ends: 20719 [2021-10-28 08:45:50,805 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2021-10-28 08:45:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 19224. [2021-10-28 08:45:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19224 states, 19223 states have (on average 1.03142069396036) internal successors, (19827), 19223 states have internal predecessors, (19827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19224 states to 19224 states and 19827 transitions. [2021-10-28 08:45:51,027 INFO L78 Accepts]: Start accepts. Automaton has 19224 states and 19827 transitions. Word has length 768 [2021-10-28 08:45:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:51,028 INFO L470 AbstractCegarLoop]: Abstraction has 19224 states and 19827 transitions. [2021-10-28 08:45:51,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 19224 states and 19827 transitions. [2021-10-28 08:45:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2021-10-28 08:45:51,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:51,130 INFO L513 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:51,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 08:45:51,131 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:51,131 INFO L85 PathProgramCache]: Analyzing trace with hash 2047922790, now seen corresponding path program 1 times [2021-10-28 08:45:51,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:51,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986962613] [2021-10-28 08:45:51,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:51,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-10-28 08:45:51,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986962613] [2021-10-28 08:45:51,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986962613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:51,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:51,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:51,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906358131] [2021-10-28 08:45:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:51,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:51,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:51,558 INFO L87 Difference]: Start difference. First operand 19224 states and 19827 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:52,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:52,742 INFO L93 Difference]: Finished difference Result 40835 states and 42142 transitions. [2021-10-28 08:45:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:52,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 789 [2021-10-28 08:45:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:52,763 INFO L225 Difference]: With dead ends: 40835 [2021-10-28 08:45:52,763 INFO L226 Difference]: Without dead ends: 21314 [2021-10-28 08:45:52,772 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21314 states. [2021-10-28 08:45:53,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21314 to 17423. [2021-10-28 08:45:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17423 states, 17422 states have (on average 1.030191711628975) internal successors, (17948), 17422 states have internal predecessors, (17948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17423 states to 17423 states and 17948 transitions. [2021-10-28 08:45:53,056 INFO L78 Accepts]: Start accepts. Automaton has 17423 states and 17948 transitions. Word has length 789 [2021-10-28 08:45:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:53,057 INFO L470 AbstractCegarLoop]: Abstraction has 17423 states and 17948 transitions. [2021-10-28 08:45:53,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 17423 states and 17948 transitions. [2021-10-28 08:45:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2021-10-28 08:45:53,074 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:53,075 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:45:53,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 08:45:53,075 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash 462925156, now seen corresponding path program 1 times [2021-10-28 08:45:53,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:53,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407407444] [2021-10-28 08:45:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:53,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2021-10-28 08:45:53,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:53,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407407444] [2021-10-28 08:45:53,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407407444] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:53,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:53,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:53,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096888865] [2021-10-28 08:45:53,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:53,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:53,418 INFO L87 Difference]: Start difference. First operand 17423 states and 17948 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:54,749 INFO L93 Difference]: Finished difference Result 36637 states and 37751 transitions. [2021-10-28 08:45:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:54,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 826 [2021-10-28 08:45:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:54,767 INFO L225 Difference]: With dead ends: 36637 [2021-10-28 08:45:54,768 INFO L226 Difference]: Without dead ends: 19216 [2021-10-28 08:45:54,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:54,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states. [2021-10-28 08:45:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 18020. [2021-10-28 08:45:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 18019 states have (on average 1.0291914090682057) internal successors, (18545), 18019 states have internal predecessors, (18545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 18545 transitions. [2021-10-28 08:45:54,974 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 18545 transitions. Word has length 826 [2021-10-28 08:45:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:54,975 INFO L470 AbstractCegarLoop]: Abstraction has 18020 states and 18545 transitions. [2021-10-28 08:45:54,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 18545 transitions. [2021-10-28 08:45:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2021-10-28 08:45:54,990 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:54,991 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:45:54,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 08:45:54,992 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:54,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash 849786758, now seen corresponding path program 1 times [2021-10-28 08:45:54,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:54,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187702449] [2021-10-28 08:45:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:54,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 597 proven. 269 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-28 08:45:55,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:55,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187702449] [2021-10-28 08:45:55,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187702449] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:45:55,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215097942] [2021-10-28 08:45:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:55,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:45:55,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:55,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:45:55,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 08:45:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:56,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:45:56,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:46:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-28 08:46:00,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215097942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:00,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:46:00,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-10-28 08:46:00,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616699542] [2021-10-28 08:46:00,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:46:00,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:46:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:46:00,051 INFO L87 Difference]: Start difference. First operand 18020 states and 18545 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:03,352 INFO L93 Difference]: Finished difference Result 42932 states and 44138 transitions. [2021-10-28 08:46:03,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:46:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 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 847 [2021-10-28 08:46:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:03,382 INFO L225 Difference]: With dead ends: 42932 [2021-10-28 08:46:03,382 INFO L226 Difference]: Without dead ends: 24914 [2021-10-28 08:46:03,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:46:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24914 states. [2021-10-28 08:46:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24914 to 18921. [2021-10-28 08:46:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18921 states, 18920 states have (on average 1.0281183932346722) internal successors, (19452), 18920 states have internal predecessors, (19452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18921 states to 18921 states and 19452 transitions. [2021-10-28 08:46:03,747 INFO L78 Accepts]: Start accepts. Automaton has 18921 states and 19452 transitions. Word has length 847 [2021-10-28 08:46:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:03,749 INFO L470 AbstractCegarLoop]: Abstraction has 18921 states and 19452 transitions. [2021-10-28 08:46:03,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:03,749 INFO L276 IsEmpty]: Start isEmpty. Operand 18921 states and 19452 transitions. [2021-10-28 08:46:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2021-10-28 08:46:03,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:03,766 INFO L513 BasicCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:03,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:46:03,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:46:03,983 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:46:03,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:03,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1588521142, now seen corresponding path program 1 times [2021-10-28 08:46:03,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:03,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539544402] [2021-10-28 08:46:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:03,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:04,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-10-28 08:46:04,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:04,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539544402] [2021-10-28 08:46:04,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539544402] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:04,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:04,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:46:04,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896812595] [2021-10-28 08:46:04,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:46:04,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:04,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:46:04,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:46:04,395 INFO L87 Difference]: Start difference. First operand 18921 states and 19452 transitions. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:05,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:05,430 INFO L93 Difference]: Finished difference Result 30323 states and 31095 transitions. [2021-10-28 08:46:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:46:05,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 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 909 [2021-10-28 08:46:05,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:05,434 INFO L225 Difference]: With dead ends: 30323 [2021-10-28 08:46:05,434 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:46:05,442 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:46:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:46:05,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:46:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:46:05,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2021-10-28 08:46:05,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:05,444 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:46:05,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:46:05,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:46:05,447 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:46:05,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 08:46:05,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:46:05,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,295 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 08:46:10,296 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,297 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,298 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,299 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,300 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,301 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 08:46:10,302 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 08:46:10,303 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 08:46:10,304 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,305 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 08:46:10,306 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,307 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 08:46:10,308 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,309 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,310 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,311 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 08:46:10,312 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,313 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,314 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,314 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 08:46:10,314 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,314 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,314 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,315 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 08:46:10,316 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,317 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 08:46:10,318 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,320 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,321 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 08:46:10,322 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,322 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,322 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,322 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,322 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,323 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,324 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,325 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 08:46:10,326 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,327 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 08:46:10,328 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,329 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 08:46:10,330 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 08:46:10,331 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 08:46:10,331 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,331 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,331 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,331 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,332 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse18 (+ ~a4~0 86)) (.cse15 (+ ~a0~0 61)) (.cse19 (+ ~a0~0 147))) (let ((.cse8 (<= ~a29~0 43)) (.cse16 (<= (+ ~a29~0 127) 0)) (.cse10 (< 0 .cse19)) (.cse14 (= ~a2~0 4)) (.cse13 (< (div (+ 599999 ~a0~0) (- 299926)) 1)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse5 (= ~a2~0 1)) (.cse6 (<= .cse15 0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse2 (= 2 ~a2~0)) (.cse0 (< 0 .cse18)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse17 (<= .cse19 0)) (.cse7 (= 3 ~a2~0)) (.cse12 (< 43 ~a29~0)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse8) (and .cse9 .cse10 .cse1 .cse11) (and .cse12 .cse1 .cse13 .cse3 .cse11) (and .cse1 .cse13 (or (and .cse5 .cse6) (and .cse0 .cse5)) .cse8) (and .cse4 .cse3 .cse11) (and .cse4 .cse14 .cse8) (and (< 0 .cse15) .cse4 .cse11) (and .cse12 .cse1 .cse3 .cse5) (and .cse2 .cse4) (and .cse4 .cse11 .cse16) (and .cse4 .cse5 .cse16) (and .cse4 .cse14 .cse6) (and .cse12 .cse1 .cse2 .cse3) (and .cse4 .cse7) (and .cse10 .cse1 .cse3 .cse7) (and .cse1 .cse17 .cse14) (and .cse9 .cse0 .cse12 .cse1 .cse14) (and .cse0 .cse1 .cse13 .cse3 .cse11) (and .cse5 (<= .cse18 0) (<= (+ ~a29~0 401505) 0) .cse6) (and .cse9 .cse12 .cse2) (and .cse0 .cse1 .cse17 .cse7) (and .cse12 .cse4 .cse11)))) [2021-10-28 08:46:10,332 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 08:46:10,332 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 08:46:10,332 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,332 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,332 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 08:46:10,333 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 08:46:10,334 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,335 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,336 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:46:10,337 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,337 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,337 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,337 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,337 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse14 (+ ~a4~0 86)) (.cse19 (+ ~a0~0 147)) (.cse16 (+ ~a0~0 61))) (let ((.cse8 (<= ~a29~0 43)) (.cse5 (= ~a2~0 1)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse6 (<= .cse16 0)) (.cse10 (< 0 .cse19)) (.cse15 (= ~a2~0 4)) (.cse13 (< (div (+ 599999 ~a0~0) (- 299926)) 1)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse2 (= 2 ~a2~0)) (.cse0 (< 0 .cse14)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse18 (<= .cse19 0)) (.cse7 (= 3 ~a2~0)) (.cse12 (< 43 ~a29~0)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse8) (and .cse9 .cse10 .cse1 .cse11) (and .cse12 .cse1 .cse13 .cse3 .cse11) (and .cse1 .cse13 (or (and .cse5 .cse6) (and .cse0 .cse5)) .cse8) (and .cse4 .cse3 .cse11) (and .cse5 (<= .cse14 0) (<= (+ ~a29~0 401505) 0)) (and .cse4 .cse15 .cse8) (and (< 0 .cse16) .cse4 .cse11) (and .cse12 .cse1 .cse3 .cse5) (and .cse2 .cse4) (and .cse4 .cse11 .cse17) (and .cse4 .cse5 .cse17) (and .cse4 .cse15 .cse6) (and .cse12 .cse1 .cse2 .cse3) (and .cse4 .cse7) (and .cse10 .cse1 .cse3 .cse7) (and .cse1 .cse18 .cse15) (and .cse9 .cse0 .cse12 .cse1 .cse15) (and .cse0 .cse1 .cse13 .cse3 .cse11) (and .cse9 .cse12 .cse2) (and .cse0 .cse1 .cse18 .cse7) (and .cse12 .cse4 .cse11)))) [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,338 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,339 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,340 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,341 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,342 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 08:46:10,343 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,344 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,345 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 08:46:10,346 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,347 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,348 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse14 (+ ~a4~0 86)) (.cse19 (+ ~a0~0 147)) (.cse16 (+ ~a0~0 61))) (let ((.cse8 (<= ~a29~0 43)) (.cse5 (= ~a2~0 1)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse6 (<= .cse16 0)) (.cse10 (< 0 .cse19)) (.cse15 (= ~a2~0 4)) (.cse13 (< (div (+ 599999 ~a0~0) (- 299926)) 1)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse9 (<= (+ ~a0~0 105) 0)) (.cse2 (= 2 ~a2~0)) (.cse0 (< 0 .cse14)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse18 (<= .cse19 0)) (.cse7 (= 3 ~a2~0)) (.cse12 (< 43 ~a29~0)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse8) (and .cse9 .cse10 .cse1 .cse11) (and .cse12 .cse1 .cse13 .cse3 .cse11) (and .cse1 .cse13 (or (and .cse5 .cse6) (and .cse0 .cse5)) .cse8) (and .cse4 .cse3 .cse11) (and .cse5 (<= .cse14 0) (<= (+ ~a29~0 401505) 0)) (and .cse4 .cse15 .cse8) (and (< 0 .cse16) .cse4 .cse11) (and .cse12 .cse1 .cse3 .cse5) (and .cse2 .cse4) (and .cse4 .cse11 .cse17) (and .cse4 .cse5 .cse17) (and .cse4 .cse15 .cse6) (and .cse12 .cse1 .cse2 .cse3) (and .cse4 .cse7) (and .cse10 .cse1 .cse3 .cse7) (and .cse1 .cse18 .cse15) (and .cse9 .cse0 .cse12 .cse1 .cse15) (and .cse0 .cse1 .cse13 .cse3 .cse11) (and .cse9 .cse12 .cse2) (and .cse0 .cse1 .cse18 .cse7) (and .cse12 .cse4 .cse11)))) [2021-10-28 08:46:10,348 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 08:46:10,348 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 08:46:10,348 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,348 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,348 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 08:46:10,349 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,350 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 08:46:10,351 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 08:46:10,352 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,353 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,354 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,355 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,356 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,357 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 08:46:10,358 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 08:46:10,361 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:10,363 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:46:10,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:46:10 BoogieIcfgContainer [2021-10-28 08:46:10,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:46:10,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:46:10,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:46:10,392 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:46:10,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:46" (3/4) ... [2021-10-28 08:46:10,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:46:10,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 08:46:10,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:46:10,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:46:10,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:46:10,662 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:46:10,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:46:10,664 INFO L168 Benchmark]: Toolchain (without parser) took 90881.59 ms. Allocated memory was 115.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 79.3 MB in the beginning and 512.7 MB in the end (delta: -433.4 MB). Peak memory consumption was 693.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,664 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:46:10,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1606.66 ms. Allocated memory was 115.3 MB in the beginning and 142.6 MB in the end (delta: 27.3 MB). Free memory was 79.0 MB in the beginning and 79.5 MB in the end (delta: -523.2 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 480.84 ms. Allocated memory is still 142.6 MB. Free memory was 79.5 MB in the beginning and 73.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,666 INFO L168 Benchmark]: Boogie Preprocessor took 205.21 ms. Allocated memory is still 142.6 MB. Free memory was 73.9 MB in the beginning and 55.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,666 INFO L168 Benchmark]: RCFGBuilder took 4138.00 ms. Allocated memory was 142.6 MB in the beginning and 245.4 MB in the end (delta: 102.8 MB). Free memory was 55.4 MB in the beginning and 77.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,667 INFO L168 Benchmark]: TraceAbstraction took 84156.89 ms. Allocated memory was 245.4 MB in the beginning and 1.2 GB in the end (delta: 998.2 MB). Free memory was 77.3 MB in the beginning and 555.1 MB in the end (delta: -477.8 MB). Peak memory consumption was 722.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,667 INFO L168 Benchmark]: Witness Printer took 271.02 ms. Allocated memory is still 1.2 GB. Free memory was 555.1 MB in the beginning and 512.7 MB in the end (delta: 42.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:10,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1606.66 ms. Allocated memory was 115.3 MB in the beginning and 142.6 MB in the end (delta: 27.3 MB). Free memory was 79.0 MB in the beginning and 79.5 MB in the end (delta: -523.2 kB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 480.84 ms. Allocated memory is still 142.6 MB. Free memory was 79.5 MB in the beginning and 73.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 205.21 ms. Allocated memory is still 142.6 MB. Free memory was 73.9 MB in the beginning and 55.5 MB in the end (delta: 18.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4138.00 ms. Allocated memory was 142.6 MB in the beginning and 245.4 MB in the end (delta: 102.8 MB). Free memory was 55.4 MB in the beginning and 77.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 84156.89 ms. Allocated memory was 245.4 MB in the beginning and 1.2 GB in the end (delta: 998.2 MB). Free memory was 77.3 MB in the beginning and 555.1 MB in the end (delta: -477.8 MB). Peak memory consumption was 722.8 MB. Max. memory is 16.1 GB. * Witness Printer took 271.02 ms. Allocated memory is still 1.2 GB. Free memory was 555.1 MB in the beginning and 512.7 MB in the end (delta: 42.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 140]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.0s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 55.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7701 SDtfs, 8169 SDslu, 971 SDs, 0 SdLazy, 25718 SolverSat, 4013 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2647 GetRequests, 2605 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19224occurred in iteration=18, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 23097 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 187 NumberOfFragments, 1209 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16629 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 7833 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 13495 NumberOfCodeBlocks, 13495 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 13469 ConstructedInterpolants, 39 QuantifiedInterpolants, 40363 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3230 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 15689/16114 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || (((a0 + 105 <= 0 && 0 < a0 + 147) && 42 + a4 <= 0) && 5 <= a2)) || ((((43 < a29 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || (((42 + a4 <= 0 && (599999 + a0) / -299926 < 1) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((a0 + 105 <= 0 && 43 < a29) && 2 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || (((a0 + 105 <= 0 && 0 < a0 + 147) && 42 + a4 <= 0) && 5 <= a2)) || ((((43 < a29 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || (((42 + a4 <= 0 && (599999 + a0) / -299926 < 1) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || ((a0 + 105 <= 0 && 43 < a29) && 2 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || (((a0 + 105 <= 0 && 0 < a0 + 147) && 42 + a4 <= 0) && 5 <= a2)) || ((((43 < a29 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || (((42 + a4 <= 0 && (599999 + a0) / -299926 < 1) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && (599999 + a0) / -299926 < 1) && 98 + a0 <= 0) && 5 <= a2)) || ((a0 + 105 <= 0 && 43 < a29) && 2 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:46:10,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5edf1fdb-7237-40a2-aeb9-d88ae51d6227/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...