./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY --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 b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:23:34,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:23:34,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:23:34,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:23:34,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:23:34,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:23:34,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:23:34,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:23:34,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:23:34,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:23:34,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:23:34,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:23:34,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:23:34,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:23:34,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:23:34,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:23:34,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:23:34,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:23:34,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:23:34,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:23:34,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:23:34,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:23:34,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:23:34,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:23:34,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:23:34,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:23:34,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:23:34,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:23:34,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:23:34,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:23:34,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:23:34,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:23:34,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:23:34,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:23:34,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:23:34,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:23:34,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:23:34,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:23:34,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:23:34,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:23:34,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:23:34,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:23:34,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:23:34,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:23:34,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:23:34,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:23:34,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:23:34,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:23:34,759 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:23:34,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:23:34,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:23:34,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:23:34,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:23:34,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:23:34,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:23:34,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:23:34,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:23:34,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:23:34,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:23:34,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:23:34,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:23:34,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:23:34,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:23:34,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:23:34,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:23:34,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:23:34,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:23:34,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:23:34,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:23:34,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:23:34,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:23:34,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:23:34,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:23:34,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:23:34,770 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_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 [2021-11-07 08:23:35,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:23:35,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:23:35,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:23:35,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:23:35,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:23:35,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-11-07 08:23:35,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/data/5b29952fb/f392a595f6464b84a03c211388fd512b/FLAG489237d17 [2021-11-07 08:23:35,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:23:35,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-11-07 08:23:35,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/data/5b29952fb/f392a595f6464b84a03c211388fd512b/FLAG489237d17 [2021-11-07 08:23:36,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/data/5b29952fb/f392a595f6464b84a03c211388fd512b [2021-11-07 08:23:36,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:23:36,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:23:36,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:23:36,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:23:36,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:23:36,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:36" (1/1) ... [2021-11-07 08:23:36,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4942b6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:36, skipping insertion in model container [2021-11-07 08:23:36,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:36" (1/1) ... [2021-11-07 08:23:36,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:23:36,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:23:36,547 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_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-11-07 08:23:37,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:23:37,162 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:23:37,210 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_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-11-07 08:23:37,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:23:37,579 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:23:37,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37 WrapperNode [2021-11-07 08:23:37,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:23:37,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:23:37,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:23:37,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:23:37,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:23:37,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:23:37,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:23:37,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:23:37,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:37,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:38,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:23:38,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:23:38,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:23:38,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:23:38,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (1/1) ... [2021-11-07 08:23:38,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:23:38,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:23:38,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:23:38,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:23:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:23:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:23:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:23:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:23:41,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:23:41,231 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 08:23:41,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:41 BoogieIcfgContainer [2021-11-07 08:23:41,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:23:41,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:23:41,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:23:41,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:23:41,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:23:36" (1/3) ... [2021-11-07 08:23:41,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186d74c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:41, skipping insertion in model container [2021-11-07 08:23:41,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:37" (2/3) ... [2021-11-07 08:23:41,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186d74c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:41, skipping insertion in model container [2021-11-07 08:23:41,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:41" (3/3) ... [2021-11-07 08:23:41,246 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label28.c [2021-11-07 08:23:41,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:23:41,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:23:41,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:23:41,345 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 [2021-11-07 08:23:41,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:23:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 08:23:41,405 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:41,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:41,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:41,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-11-07 08:23:41,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:41,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254256380] [2021-11-07 08:23:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:41,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:23:41,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:41,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254256380] [2021-11-07 08:23:41,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254256380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:41,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:41,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:23:41,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256709082] [2021-11-07 08:23:41,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:23:41,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:41,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:23:41,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:23:41,864 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:45,959 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-11-07 08:23:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:23:45,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-07 08:23:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:45,989 INFO L225 Difference]: With dead ends: 1456 [2021-11-07 08:23:45,989 INFO L226 Difference]: Without dead ends: 991 [2021-11-07 08:23:45,996 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:23:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-11-07 08:23:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-11-07 08:23:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2021-11-07 08:23:46,119 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 66 [2021-11-07 08:23:46,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:46,121 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2021-11-07 08:23:46,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2021-11-07 08:23:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-07 08:23:46,148 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:46,148 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:46,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:23:46,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:46,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:46,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1595869454, now seen corresponding path program 1 times [2021-11-07 08:23:46,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:46,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370874460] [2021-11-07 08:23:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:46,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:23:46,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:46,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370874460] [2021-11-07 08:23:46,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370874460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:46,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:46,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:23:46,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670480123] [2021-11-07 08:23:46,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:23:46,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:46,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:23:46,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:23:46,564 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:48,360 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2021-11-07 08:23:48,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:23:48,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 256 [2021-11-07 08:23:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:48,422 INFO L225 Difference]: With dead ends: 1980 [2021-11-07 08:23:48,422 INFO L226 Difference]: Without dead ends: 1320 [2021-11-07 08:23:48,426 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 [2021-11-07 08:23:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-11-07 08:23:48,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-11-07 08:23:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2021-11-07 08:23:48,483 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 256 [2021-11-07 08:23:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:48,485 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2021-11-07 08:23:48,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2021-11-07 08:23:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-07 08:23:48,494 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:48,495 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:48,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:23:48,496 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:48,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1780445252, now seen corresponding path program 1 times [2021-11-07 08:23:48,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:48,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392325766] [2021-11-07 08:23:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:48,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-07 08:23:48,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:48,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392325766] [2021-11-07 08:23:48,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392325766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:48,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:48,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:23:48,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046224229] [2021-11-07 08:23:48,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:23:48,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:48,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:23:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:23:48,788 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:50,820 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2021-11-07 08:23:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:23:50,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 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 259 [2021-11-07 08:23:50,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:50,838 INFO L225 Difference]: With dead ends: 3296 [2021-11-07 08:23:50,838 INFO L226 Difference]: Without dead ends: 1978 [2021-11-07 08:23:50,841 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 [2021-11-07 08:23:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-11-07 08:23:50,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-11-07 08:23:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2021-11-07 08:23:50,908 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 259 [2021-11-07 08:23:50,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:50,909 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2021-11-07 08:23:50,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2021-11-07 08:23:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-07 08:23:50,919 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:50,920 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, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:50,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:23:50,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:50,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:50,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1858080163, now seen corresponding path program 1 times [2021-11-07 08:23:50,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:50,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303007434] [2021-11-07 08:23:50,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:50,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-07 08:23:51,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:51,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303007434] [2021-11-07 08:23:51,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303007434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:51,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:51,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:23:51,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963847545] [2021-11-07 08:23:51,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:23:51,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:51,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:23:51,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:23:51,204 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:52,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:52,527 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2021-11-07 08:23:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:23:52,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 385 [2021-11-07 08:23:52,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:52,543 INFO L225 Difference]: With dead ends: 3954 [2021-11-07 08:23:52,543 INFO L226 Difference]: Without dead ends: 2307 [2021-11-07 08:23:52,549 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 [2021-11-07 08:23:52,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-11-07 08:23:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-11-07 08:23:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2021-11-07 08:23:52,617 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 385 [2021-11-07 08:23:52,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:52,619 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2021-11-07 08:23:52,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2021-11-07 08:23:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2021-11-07 08:23:52,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:52,641 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:52,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:23:52,642 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:52,645 INFO L85 PathProgramCache]: Analyzing trace with hash -461925515, now seen corresponding path program 1 times [2021-11-07 08:23:52,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:52,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214195482] [2021-11-07 08:23:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:52,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-11-07 08:23:53,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:53,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214195482] [2021-11-07 08:23:53,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214195482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:53,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:53,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:23:53,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596348237] [2021-11-07 08:23:53,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:23:53,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:53,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:23:53,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:23:53,079 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:55,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:55,539 INFO L93 Difference]: Finished difference Result 7904 states and 8696 transitions. [2021-11-07 08:23:55,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:23:55,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 643 [2021-11-07 08:23:55,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:55,575 INFO L225 Difference]: With dead ends: 7904 [2021-11-07 08:23:55,576 INFO L226 Difference]: Without dead ends: 5928 [2021-11-07 08:23:55,580 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 [2021-11-07 08:23:55,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5928 states. [2021-11-07 08:23:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 5597. [2021-11-07 08:23:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0804145818441744) internal successors, (6046), 5596 states have internal predecessors, (6046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6046 transitions. [2021-11-07 08:23:55,741 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6046 transitions. Word has length 643 [2021-11-07 08:23:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:55,742 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6046 transitions. [2021-11-07 08:23:55,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6046 transitions. [2021-11-07 08:23:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2021-11-07 08:23:55,770 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:55,771 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:55,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:23:55,771 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:55,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:55,772 INFO L85 PathProgramCache]: Analyzing trace with hash 465941481, now seen corresponding path program 1 times [2021-11-07 08:23:55,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:55,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292296811] [2021-11-07 08:23:55,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:55,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 754 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2021-11-07 08:23:56,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:56,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292296811] [2021-11-07 08:23:56,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292296811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:56,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:56,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:23:56,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238564131] [2021-11-07 08:23:56,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:23:56,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:56,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:23:56,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:23:56,160 INFO L87 Difference]: Start difference. First operand 5597 states and 6046 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:57,377 INFO L93 Difference]: Finished difference Result 13168 states and 14284 transitions. [2021-11-07 08:23:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:23:57,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 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 739 [2021-11-07 08:23:57,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:57,430 INFO L225 Difference]: With dead ends: 13168 [2021-11-07 08:23:57,431 INFO L226 Difference]: Without dead ends: 7902 [2021-11-07 08:23:57,439 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 [2021-11-07 08:23:57,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2021-11-07 08:23:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7900. [2021-11-07 08:23:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0786175465248766) internal successors, (8520), 7899 states have internal predecessors, (8520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8520 transitions. [2021-11-07 08:23:57,784 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8520 transitions. Word has length 739 [2021-11-07 08:23:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:57,785 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8520 transitions. [2021-11-07 08:23:57,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8520 transitions. [2021-11-07 08:23:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2021-11-07 08:23:57,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:57,802 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:23:57,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:23:57,802 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:57,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash 986382805, now seen corresponding path program 1 times [2021-11-07 08:23:57,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:57,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759046282] [2021-11-07 08:23:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:57,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:23:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 1035 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-11-07 08:23:58,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:23:58,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759046282] [2021-11-07 08:23:58,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759046282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:23:58,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:23:58,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:23:58,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685462999] [2021-11-07 08:23:58,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:23:58,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:23:58,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:23:58,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:23:58,159 INFO L87 Difference]: Start difference. First operand 7900 states and 8520 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:23:59,416 INFO L93 Difference]: Finished difference Result 19417 states and 21035 transitions. [2021-11-07 08:23:59,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:23:59,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 747 [2021-11-07 08:23:59,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:23:59,478 INFO L225 Difference]: With dead ends: 19417 [2021-11-07 08:23:59,478 INFO L226 Difference]: Without dead ends: 12177 [2021-11-07 08:23:59,489 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 [2021-11-07 08:23:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-11-07 08:23:59,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2021-11-07 08:23:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0742444152431012) internal successors, (13080), 12176 states have internal predecessors, (13080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 13080 transitions. [2021-11-07 08:23:59,839 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 13080 transitions. Word has length 747 [2021-11-07 08:23:59,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:23:59,840 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 13080 transitions. [2021-11-07 08:23:59,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:23:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 13080 transitions. [2021-11-07 08:23:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2021-11-07 08:23:59,861 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:23:59,863 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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] [2021-11-07 08:23:59,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:23:59,863 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:23:59,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:23:59,864 INFO L85 PathProgramCache]: Analyzing trace with hash 369865799, now seen corresponding path program 1 times [2021-11-07 08:23:59,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:23:59,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300172018] [2021-11-07 08:23:59,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:23:59,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:23:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1369 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2021-11-07 08:24:00,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:00,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300172018] [2021-11-07 08:24:00,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300172018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:00,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:00,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:00,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763564433] [2021-11-07 08:24:00,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:24:00,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:00,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:24:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:24:00,290 INFO L87 Difference]: Start difference. First operand 12177 states and 13080 transitions. Second operand has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:01,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:01,993 INFO L93 Difference]: Finished difference Result 23694 states and 25491 transitions. [2021-11-07 08:24:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:01,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 1004 [2021-11-07 08:24:01,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:02,047 INFO L225 Difference]: With dead ends: 23694 [2021-11-07 08:24:02,047 INFO L226 Difference]: Without dead ends: 12177 [2021-11-07 08:24:02,062 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 [2021-11-07 08:24:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-11-07 08:24:02,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2021-11-07 08:24:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0739980289093298) internal successors, (13077), 12176 states have internal predecessors, (13077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 13077 transitions. [2021-11-07 08:24:02,292 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 13077 transitions. Word has length 1004 [2021-11-07 08:24:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:02,294 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 13077 transitions. [2021-11-07 08:24:02,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 13077 transitions. [2021-11-07 08:24:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013 [2021-11-07 08:24:02,350 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:02,351 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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] [2021-11-07 08:24:02,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 08:24:02,352 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:02,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:02,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1455869915, now seen corresponding path program 1 times [2021-11-07 08:24:02,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:02,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747269209] [2021-11-07 08:24:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:02,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1212 proven. 157 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2021-11-07 08:24:02,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:02,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747269209] [2021-11-07 08:24:02,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747269209] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:02,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377240217] [2021-11-07 08:24:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:02,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:02,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:02,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:24:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:03,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:24:03,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1780 proven. 0 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2021-11-07 08:24:05,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377240217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:05,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:05,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-07 08:24:05,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936091304] [2021-11-07 08:24:05,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:05,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:05,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:05,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:05,877 INFO L87 Difference]: Start difference. First operand 12177 states and 13077 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:06,937 INFO L93 Difference]: Finished difference Result 26655 states and 28710 transitions. [2021-11-07 08:24:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:06,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 1012 [2021-11-07 08:24:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:06,967 INFO L225 Difference]: With dead ends: 26655 [2021-11-07 08:24:06,967 INFO L226 Difference]: Without dead ends: 15138 [2021-11-07 08:24:06,981 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1016 GetRequests, 1011 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:07,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-11-07 08:24:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 13822. [2021-11-07 08:24:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0778525432313146) internal successors, (14897), 13821 states have internal predecessors, (14897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14897 transitions. [2021-11-07 08:24:07,247 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14897 transitions. Word has length 1012 [2021-11-07 08:24:07,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:07,248 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14897 transitions. [2021-11-07 08:24:07,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14897 transitions. [2021-11-07 08:24:07,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2021-11-07 08:24:07,270 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:07,271 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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] [2021-11-07 08:24:07,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:24:07,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:07,484 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:07,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:07,485 INFO L85 PathProgramCache]: Analyzing trace with hash 668904134, now seen corresponding path program 1 times [2021-11-07 08:24:07,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:07,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296380678] [2021-11-07 08:24:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:07,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1214 proven. 157 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2021-11-07 08:24:08,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:08,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296380678] [2021-11-07 08:24:08,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296380678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:08,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052984252] [2021-11-07 08:24:08,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:08,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:08,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:08,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:24:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:08,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:24:08,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1555 proven. 0 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2021-11-07 08:24:11,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052984252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:11,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:11,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-07 08:24:11,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770485083] [2021-11-07 08:24:11,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:11,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:11,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:11,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:11,782 INFO L87 Difference]: Start difference. First operand 13822 states and 14897 transitions. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:13,030 INFO L93 Difference]: Finished difference Result 28629 states and 30887 transitions. [2021-11-07 08:24:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:13,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 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 1013 [2021-11-07 08:24:13,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:13,065 INFO L225 Difference]: With dead ends: 28629 [2021-11-07 08:24:13,065 INFO L226 Difference]: Without dead ends: 15467 [2021-11-07 08:24:13,078 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 1012 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:13,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-11-07 08:24:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 14809. [2021-11-07 08:24:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0524716369529983) internal successors, (15585), 14808 states have internal predecessors, (15585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15585 transitions. [2021-11-07 08:24:13,314 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15585 transitions. Word has length 1013 [2021-11-07 08:24:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:13,316 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15585 transitions. [2021-11-07 08:24:13,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15585 transitions. [2021-11-07 08:24:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2021-11-07 08:24:13,341 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:13,341 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:13,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:24:13,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-07 08:24:13,556 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:13,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -962762883, now seen corresponding path program 1 times [2021-11-07 08:24:13,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:13,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112164083] [2021-11-07 08:24:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:13,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 1210 proven. 157 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2021-11-07 08:24:14,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:14,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112164083] [2021-11-07 08:24:14,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112164083] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:14,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087390404] [2021-11-07 08:24:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:14,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:14,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:14,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 08:24:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:15,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:24:15,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 1386 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2021-11-07 08:24:18,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087390404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:18,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:18,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-07 08:24:18,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572584041] [2021-11-07 08:24:18,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:18,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:18,463 INFO L87 Difference]: Start difference. First operand 14809 states and 15585 transitions. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:19,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:19,791 INFO L93 Difference]: Finished difference Result 31919 states and 33726 transitions. [2021-11-07 08:24:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:19,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 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 1027 [2021-11-07 08:24:19,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:19,826 INFO L225 Difference]: With dead ends: 31919 [2021-11-07 08:24:19,827 INFO L226 Difference]: Without dead ends: 17770 [2021-11-07 08:24:19,844 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 1026 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-07 08:24:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17770. [2021-11-07 08:24:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.048849119252631) internal successors, (18637), 17769 states have internal predecessors, (18637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18637 transitions. [2021-11-07 08:24:20,189 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18637 transitions. Word has length 1027 [2021-11-07 08:24:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:20,191 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18637 transitions. [2021-11-07 08:24:20,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:20,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18637 transitions. [2021-11-07 08:24:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2021-11-07 08:24:20,218 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:20,221 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:20,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:24:20,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-07 08:24:20,437 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:20,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:20,437 INFO L85 PathProgramCache]: Analyzing trace with hash -718236458, now seen corresponding path program 1 times [2021-11-07 08:24:20,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:20,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186045626] [2021-11-07 08:24:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2021-11-07 08:24:21,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:21,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186045626] [2021-11-07 08:24:21,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186045626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:21,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:21,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:21,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739310251] [2021-11-07 08:24:21,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:21,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:21,069 INFO L87 Difference]: Start difference. First operand 17770 states and 18637 transitions. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:22,440 INFO L93 Difference]: Finished difference Result 34880 states and 36608 transitions. [2021-11-07 08:24:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:22,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 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 1091 [2021-11-07 08:24:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:22,468 INFO L225 Difference]: With dead ends: 34880 [2021-11-07 08:24:22,469 INFO L226 Difference]: Without dead ends: 17770 [2021-11-07 08:24:22,481 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 [2021-11-07 08:24:22,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-07 08:24:22,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-11-07 08:24:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0411697247706422) internal successors, (18158), 17440 states have internal predecessors, (18158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18158 transitions. [2021-11-07 08:24:22,745 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18158 transitions. Word has length 1091 [2021-11-07 08:24:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:22,746 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18158 transitions. [2021-11-07 08:24:22,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18158 transitions. [2021-11-07 08:24:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1278 [2021-11-07 08:24:22,925 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:22,928 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:22,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:24:22,928 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:22,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2135689187, now seen corresponding path program 1 times [2021-11-07 08:24:22,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:22,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913700311] [2021-11-07 08:24:22,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:22,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 1194 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-11-07 08:24:23,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:23,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913700311] [2021-11-07 08:24:23,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913700311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:23,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:23,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:23,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759191816] [2021-11-07 08:24:23,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:23,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:23,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:23,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:23,749 INFO L87 Difference]: Start difference. First operand 17441 states and 18158 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:25,099 INFO L93 Difference]: Finished difference Result 34551 states and 35983 transitions. [2021-11-07 08:24:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:25,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 1277 [2021-11-07 08:24:25,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:25,125 INFO L225 Difference]: With dead ends: 34551 [2021-11-07 08:24:25,125 INFO L226 Difference]: Without dead ends: 17112 [2021-11-07 08:24:25,138 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 [2021-11-07 08:24:25,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-07 08:24:25,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16125. [2021-11-07 08:24:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0343587199206152) internal successors, (16678), 16124 states have internal predecessors, (16678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16678 transitions. [2021-11-07 08:24:25,519 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16678 transitions. Word has length 1277 [2021-11-07 08:24:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:25,520 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16678 transitions. [2021-11-07 08:24:25,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16678 transitions. [2021-11-07 08:24:25,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1306 [2021-11-07 08:24:25,554 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:25,556 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:25,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:24:25,557 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:25,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:25,558 INFO L85 PathProgramCache]: Analyzing trace with hash -174714429, now seen corresponding path program 1 times [2021-11-07 08:24:25,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:25,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132581842] [2021-11-07 08:24:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:25,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 2129 proven. 16 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-11-07 08:24:26,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:26,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132581842] [2021-11-07 08:24:26,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132581842] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:26,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509806964] [2021-11-07 08:24:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:26,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:26,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:26,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 08:24:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:27,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:24:27,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 2081 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2021-11-07 08:24:30,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509806964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:30,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:30,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-07 08:24:30,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207718854] [2021-11-07 08:24:30,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:30,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:30,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:30,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:24:30,797 INFO L87 Difference]: Start difference. First operand 16125 states and 16678 transitions. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:31,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:31,737 INFO L93 Difference]: Finished difference Result 31919 states and 33020 transitions. [2021-11-07 08:24:31,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:31,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 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 1305 [2021-11-07 08:24:31,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:31,756 INFO L225 Difference]: With dead ends: 31919 [2021-11-07 08:24:31,756 INFO L226 Difference]: Without dead ends: 16454 [2021-11-07 08:24:31,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:24:31,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-11-07 08:24:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-11-07 08:24:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0330563135698339) internal successors, (16657), 16124 states have internal predecessors, (16657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16657 transitions. [2021-11-07 08:24:31,990 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16657 transitions. Word has length 1305 [2021-11-07 08:24:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:31,991 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16657 transitions. [2021-11-07 08:24:31,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16657 transitions. [2021-11-07 08:24:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1310 [2021-11-07 08:24:32,019 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:32,020 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 08:24:32,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:24:32,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-07 08:24:32,228 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:32,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:32,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1796073498, now seen corresponding path program 1 times [2021-11-07 08:24:32,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:32,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540823795] [2021-11-07 08:24:32,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:32,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3846 backedges. 2640 proven. 0 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2021-11-07 08:24:33,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:33,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540823795] [2021-11-07 08:24:33,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540823795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:33,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:33,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:33,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714811247] [2021-11-07 08:24:33,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:33,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:33,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:33,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:33,188 INFO L87 Difference]: Start difference. First operand 16125 states and 16657 transitions. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:34,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:34,454 INFO L93 Difference]: Finished difference Result 32906 states and 33984 transitions. [2021-11-07 08:24:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:34,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 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 1309 [2021-11-07 08:24:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:34,478 INFO L225 Difference]: With dead ends: 32906 [2021-11-07 08:24:34,478 INFO L226 Difference]: Without dead ends: 17112 [2021-11-07 08:24:34,490 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 [2021-11-07 08:24:34,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-07 08:24:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-11-07 08:24:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0291979501847217) internal successors, (17272), 16782 states have internal predecessors, (17272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17272 transitions. [2021-11-07 08:24:34,778 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17272 transitions. Word has length 1309 [2021-11-07 08:24:34,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:34,779 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17272 transitions. [2021-11-07 08:24:34,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17272 transitions. [2021-11-07 08:24:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1320 [2021-11-07 08:24:34,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:34,898 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:34,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:24:34,899 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:34,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:34,901 INFO L85 PathProgramCache]: Analyzing trace with hash -770046292, now seen corresponding path program 1 times [2021-11-07 08:24:34,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:34,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609389379] [2021-11-07 08:24:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:34,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1340 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-07 08:24:35,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:35,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609389379] [2021-11-07 08:24:35,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609389379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:35,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:35,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:35,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357434001] [2021-11-07 08:24:35,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:35,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:35,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:35,817 INFO L87 Difference]: Start difference. First operand 16783 states and 17272 transitions. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:37,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:37,044 INFO L93 Difference]: Finished difference Result 33235 states and 34211 transitions. [2021-11-07 08:24:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:37,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 1319 [2021-11-07 08:24:37,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:37,059 INFO L225 Difference]: With dead ends: 33235 [2021-11-07 08:24:37,059 INFO L226 Difference]: Without dead ends: 16783 [2021-11-07 08:24:37,066 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 [2021-11-07 08:24:37,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-11-07 08:24:37,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 15467. [2021-11-07 08:24:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.023470839260313) internal successors, (15829), 15466 states have internal predecessors, (15829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15829 transitions. [2021-11-07 08:24:37,240 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15829 transitions. Word has length 1319 [2021-11-07 08:24:37,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:37,241 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15829 transitions. [2021-11-07 08:24:37,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15829 transitions. [2021-11-07 08:24:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2021-11-07 08:24:37,268 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:37,269 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:37,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 08:24:37,269 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:37,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:37,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1928733547, now seen corresponding path program 1 times [2021-11-07 08:24:37,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:37,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011681852] [2021-11-07 08:24:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:37,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4152 backedges. 2128 proven. 0 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2021-11-07 08:24:37,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:37,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011681852] [2021-11-07 08:24:37,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011681852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:37,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:37,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:37,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969564828] [2021-11-07 08:24:37,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:37,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:37,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:37,973 INFO L87 Difference]: Start difference. First operand 15467 states and 15829 transitions. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:39,074 INFO L93 Difference]: Finished difference Result 31261 states and 32004 transitions. [2021-11-07 08:24:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:39,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 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 1367 [2021-11-07 08:24:39,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:39,088 INFO L225 Difference]: With dead ends: 31261 [2021-11-07 08:24:39,089 INFO L226 Difference]: Without dead ends: 16125 [2021-11-07 08:24:39,096 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 [2021-11-07 08:24:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-11-07 08:24:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2021-11-07 08:24:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0225130240635079) internal successors, (16487), 16124 states have internal predecessors, (16487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16487 transitions. [2021-11-07 08:24:39,274 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16487 transitions. Word has length 1367 [2021-11-07 08:24:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:39,275 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16487 transitions. [2021-11-07 08:24:39,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16487 transitions. [2021-11-07 08:24:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-11-07 08:24:39,390 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:39,391 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 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, 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] [2021-11-07 08:24:39,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 08:24:39,392 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1042032870, now seen corresponding path program 1 times [2021-11-07 08:24:39,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:39,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606951351] [2021-11-07 08:24:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:39,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2724 proven. 82 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2021-11-07 08:24:40,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:40,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606951351] [2021-11-07 08:24:40,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606951351] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:40,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46510164] [2021-11-07 08:24:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:40,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:40,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:40,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 08:24:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:42,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:24:42,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 1560 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2021-11-07 08:24:46,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46510164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:46,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:46,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-07 08:24:46,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483185605] [2021-11-07 08:24:46,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:46,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:46,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:46,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:46,410 INFO L87 Difference]: Start difference. First operand 16125 states and 16487 transitions. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:47,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:47,488 INFO L93 Difference]: Finished difference Result 31590 states and 32310 transitions. [2021-11-07 08:24:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:47,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 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 1390 [2021-11-07 08:24:47,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:47,504 INFO L225 Difference]: With dead ends: 31590 [2021-11-07 08:24:47,504 INFO L226 Difference]: Without dead ends: 16125 [2021-11-07 08:24:47,511 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1393 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-11-07 08:24:47,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-11-07 08:24:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0220955998733776) internal successors, (16144), 15795 states have internal predecessors, (16144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16144 transitions. [2021-11-07 08:24:47,692 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16144 transitions. Word has length 1390 [2021-11-07 08:24:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:47,694 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16144 transitions. [2021-11-07 08:24:47,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16144 transitions. [2021-11-07 08:24:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1639 [2021-11-07 08:24:47,752 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:47,754 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:24:47,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:24:47,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:47,969 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:47,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1960867631, now seen corresponding path program 1 times [2021-11-07 08:24:47,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:47,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135768269] [2021-11-07 08:24:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:47,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3402 proven. 0 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2021-11-07 08:24:48,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:48,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135768269] [2021-11-07 08:24:48,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135768269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:48,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:24:48,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:24:48,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302966268] [2021-11-07 08:24:48,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:48,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:48,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:24:48,967 INFO L87 Difference]: Start difference. First operand 15796 states and 16144 transitions. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:49,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:24:49,996 INFO L93 Difference]: Finished difference Result 30932 states and 31624 transitions. [2021-11-07 08:24:49,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:24:49,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 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 1638 [2021-11-07 08:24:49,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:24:50,010 INFO L225 Difference]: With dead ends: 30932 [2021-11-07 08:24:50,010 INFO L226 Difference]: Without dead ends: 15796 [2021-11-07 08:24:50,018 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 [2021-11-07 08:24:50,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-11-07 08:24:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-11-07 08:24:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.021968977524533) internal successors, (16142), 15795 states have internal predecessors, (16142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16142 transitions. [2021-11-07 08:24:50,228 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16142 transitions. Word has length 1638 [2021-11-07 08:24:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:24:50,229 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16142 transitions. [2021-11-07 08:24:50,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:24:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16142 transitions. [2021-11-07 08:24:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1871 [2021-11-07 08:24:50,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:24:50,282 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-11-07 08:24:50,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 08:24:50,282 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:24:50,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:24:50,283 INFO L85 PathProgramCache]: Analyzing trace with hash 911851703, now seen corresponding path program 1 times [2021-11-07 08:24:50,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:24:50,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741578047] [2021-11-07 08:24:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:50,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:24:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 3714 proven. 83 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2021-11-07 08:24:51,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:24:51,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741578047] [2021-11-07 08:24:51,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741578047] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:24:51,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864067647] [2021-11-07 08:24:51,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:24:51,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:24:51,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:24:51,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:24:51,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 08:24:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:24:54,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:24:54,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:24:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 2077 proven. 0 refuted. 0 times theorem prover too weak. 4611 trivial. 0 not checked. [2021-11-07 08:24:58,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864067647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:24:58,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:24:58,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-07 08:24:58,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189277] [2021-11-07 08:24:58,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:24:58,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:24:58,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:24:58,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:24:58,989 INFO L87 Difference]: Start difference. First operand 15796 states and 16142 transitions. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:00,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:25:00,177 INFO L93 Difference]: Finished difference Result 31261 states and 31950 transitions. [2021-11-07 08:25:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:25:00,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 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 1870 [2021-11-07 08:25:00,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:25:00,194 INFO L225 Difference]: With dead ends: 31261 [2021-11-07 08:25:00,194 INFO L226 Difference]: Without dead ends: 15796 [2021-11-07 08:25:00,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1873 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:25:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-11-07 08:25:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 14480. [2021-11-07 08:25:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0181642378617308) internal successors, (14742), 14479 states have internal predecessors, (14742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14742 transitions. [2021-11-07 08:25:00,409 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14742 transitions. Word has length 1870 [2021-11-07 08:25:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:25:00,411 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14742 transitions. [2021-11-07 08:25:00,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14742 transitions. [2021-11-07 08:25:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2032 [2021-11-07 08:25:00,466 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:25:00,467 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-11-07 08:25:00,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:25:00,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:25:00,668 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:25:00,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:25:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2089004525, now seen corresponding path program 1 times [2021-11-07 08:25:00,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:25:00,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110374775] [2021-11-07 08:25:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:00,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:25:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 3907 proven. 0 refuted. 0 times theorem prover too weak. 4179 trivial. 0 not checked. [2021-11-07 08:25:02,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:25:02,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110374775] [2021-11-07 08:25:02,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110374775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:25:02,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:25:02,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:25:02,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269072278] [2021-11-07 08:25:02,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:25:02,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:25:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:25:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:25:02,023 INFO L87 Difference]: Start difference. First operand 14480 states and 14742 transitions. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:25:03,407 INFO L93 Difference]: Finished difference Result 31919 states and 32492 transitions. [2021-11-07 08:25:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:25:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 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 2031 [2021-11-07 08:25:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:25:03,424 INFO L225 Difference]: With dead ends: 31919 [2021-11-07 08:25:03,424 INFO L226 Difference]: Without dead ends: 18099 [2021-11-07 08:25:03,432 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 [2021-11-07 08:25:03,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-11-07 08:25:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 15467. [2021-11-07 08:25:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.017586964955386) internal successors, (15738), 15466 states have internal predecessors, (15738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15738 transitions. [2021-11-07 08:25:03,813 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15738 transitions. Word has length 2031 [2021-11-07 08:25:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:25:03,814 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15738 transitions. [2021-11-07 08:25:03,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15738 transitions. [2021-11-07 08:25:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2073 [2021-11-07 08:25:03,846 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:25:03,848 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:25:03,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 08:25:03,848 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:25:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:25:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1544747558, now seen corresponding path program 1 times [2021-11-07 08:25:03,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:25:03,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792342897] [2021-11-07 08:25:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:03,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:25:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8859 backedges. 6276 proven. 140 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2021-11-07 08:25:05,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:25:05,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792342897] [2021-11-07 08:25:05,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792342897] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:25:05,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203431352] [2021-11-07 08:25:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:05,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:25:05,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:25:05,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:25:05,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 08:25:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:08,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2419 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 08:25:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:25:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8859 backedges. 5156 proven. 0 refuted. 0 times theorem prover too weak. 3703 trivial. 0 not checked. [2021-11-07 08:25:13,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203431352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:25:13,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:25:13,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-07 08:25:13,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430394774] [2021-11-07 08:25:13,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:25:13,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:25:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:25:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:25:13,191 INFO L87 Difference]: Start difference. First operand 15467 states and 15738 transitions. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:14,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:25:14,713 INFO L93 Difference]: Finished difference Result 32248 states and 32818 transitions. [2021-11-07 08:25:14,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:25:14,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 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 2072 [2021-11-07 08:25:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:25:14,737 INFO L225 Difference]: With dead ends: 32248 [2021-11-07 08:25:14,737 INFO L226 Difference]: Without dead ends: 17441 [2021-11-07 08:25:14,744 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2077 GetRequests, 2072 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:25:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-11-07 08:25:14,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16454. [2021-11-07 08:25:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.016957393788367) internal successors, (16732), 16453 states have internal predecessors, (16732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16732 transitions. [2021-11-07 08:25:14,944 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16732 transitions. Word has length 2072 [2021-11-07 08:25:14,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:25:14,945 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16732 transitions. [2021-11-07 08:25:14,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16732 transitions. [2021-11-07 08:25:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2104 [2021-11-07 08:25:14,978 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:25:14,979 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:25:15,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:25:15,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:25:15,180 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:25:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:25:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash 541325287, now seen corresponding path program 1 times [2021-11-07 08:25:15,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:25:15,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204869524] [2021-11-07 08:25:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:15,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:25:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9281 backedges. 6869 proven. 78 refuted. 0 times theorem prover too weak. 2334 trivial. 0 not checked. [2021-11-07 08:25:16,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:25:16,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204869524] [2021-11-07 08:25:16,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204869524] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:25:16,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815239516] [2021-11-07 08:25:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:16,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:25:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:25:16,480 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:25:16,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 08:25:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:19,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 2453 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:25:19,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:25:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9281 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 8514 trivial. 0 not checked. [2021-11-07 08:25:24,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815239516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:25:24,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:25:24,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-07 08:25:24,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729132563] [2021-11-07 08:25:24,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:25:24,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:25:24,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:25:24,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:25:24,485 INFO L87 Difference]: Start difference. First operand 16454 states and 16732 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:25:25,711 INFO L93 Difference]: Finished difference Result 17772 states and 18058 transitions. [2021-11-07 08:25:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:25:25,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 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 2103 [2021-11-07 08:25:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:25:25,725 INFO L225 Difference]: With dead ends: 17772 [2021-11-07 08:25:25,725 INFO L226 Difference]: Without dead ends: 17441 [2021-11-07 08:25:25,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2108 GetRequests, 2103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:25:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-11-07 08:25:25,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16454. [2021-11-07 08:25:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.01677505622075) internal successors, (16729), 16453 states have internal predecessors, (16729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16729 transitions. [2021-11-07 08:25:25,908 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16729 transitions. Word has length 2103 [2021-11-07 08:25:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:25:25,910 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16729 transitions. [2021-11-07 08:25:25,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16729 transitions. [2021-11-07 08:25:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2194 [2021-11-07 08:25:25,943 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:25:25,944 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:25:25,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:25:26,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-07 08:25:26,145 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:25:26,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:25:26,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2076164369, now seen corresponding path program 1 times [2021-11-07 08:25:26,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:25:26,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707101253] [2021-11-07 08:25:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:25:26,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:25:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:25:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10474 backedges. 831 proven. 0 refuted. 0 times theorem prover too weak. 9643 trivial. 0 not checked. [2021-11-07 08:25:27,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:25:27,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707101253] [2021-11-07 08:25:27,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707101253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:25:27,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:25:27,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:25:27,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757538207] [2021-11-07 08:25:27,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:25:27,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:25:27,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:25:27,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:25:27,241 INFO L87 Difference]: Start difference. First operand 16454 states and 16729 transitions. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:25:27,894 INFO L93 Difference]: Finished difference Result 16464 states and 16739 transitions. [2021-11-07 08:25:27,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:25:27,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 2193 [2021-11-07 08:25:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:25:27,898 INFO L225 Difference]: With dead ends: 16464 [2021-11-07 08:25:27,898 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:25:27,904 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 [2021-11-07 08:25:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:25:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:25:27,905 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) [2021-11-07 08:25:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:25:27,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2193 [2021-11-07 08:25:27,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:25:27,906 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:25:27,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:25:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:25:27,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:25:27,910 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:25:27,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 08:25:27,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:25:27,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:25:28,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:25:28,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:25:28,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:25:30,753 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,753 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,753 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,753 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,753 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,754 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,756 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,757 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,758 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,759 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,760 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,761 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,762 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,763 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-07 08:25:30,764 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,764 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 08:25:30,764 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-07 08:25:30,764 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse12 (<= 7 ~a12~0))) (let ((.cse11 (<= ~a12~0 5)) (.cse15 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse16 (<= ~a16~0 11)) (.cse14 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse12) (and .cse3 .cse1 .cse5 .cse12))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse7 (= ~a12~0 9)) (.cse13 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse17 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 .cse10 .cse5) (and .cse11 .cse1) (and .cse1 .cse4 .cse5 .cse12 .cse13) (and .cse1 .cse14 .cse15) (and .cse2 .cse16 .cse6 (<= 6 ~a12~0)) (and .cse11 .cse4 .cse16) (and (= ~a16~0 8) (<= ~a12~0 7)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse8) (and .cse1 .cse5 .cse13 .cse16) (and .cse15 .cse13 .cse2 .cse16) (and .cse14 .cse8) (and .cse10 (= ~a15~0 3) .cse17) (and .cse9 .cse1) (and .cse7 .cse1 .cse13) (and .cse3 .cse6 .cse17) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse17)))) [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,765 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-07 08:25:30,766 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,767 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,768 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,769 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-07 08:25:30,770 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,771 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,771 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,771 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,771 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,771 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-07 08:25:30,772 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse11 (<= 7 ~a12~0))) (let ((.cse10 (<= ~a12~0 5)) (.cse14 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse15 (<= ~a16~0 11)) (.cse13 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse11) (and .cse3 .cse1 .cse5 .cse11))) (.cse7 (= ~a12~0 9)) (.cse12 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse16 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 (<= (+ ~a18~0 156) 0) .cse5) (and .cse10 .cse1) (and .cse1 .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse13 .cse14) (and .cse2 .cse15 .cse6 (<= 6 ~a12~0)) (and .cse10 .cse4 .cse15) (and (= ~a16~0 8) (<= ~a12~0 7)) (and .cse1 .cse5 .cse12 .cse15) (and .cse14 .cse12 .cse2 .cse15) (and .cse13 .cse8) (and .cse9 .cse1) (and .cse0 .cse3 .cse1 .cse11 (< (div (+ ~a18~0 (- 137)) (- 299932)) 1)) (and .cse7 .cse1 .cse12) (and .cse3 .cse6 .cse16) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse16)))) [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,773 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,774 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,775 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 08:25:30,776 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,777 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,778 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,779 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,779 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,779 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,779 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,779 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,780 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,781 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,781 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 08:25:30,781 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-07 08:25:30,781 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-07 08:25:30,781 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:25:30,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2021-11-07 08:25:30,782 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse12 (<= 7 ~a12~0))) (let ((.cse11 (<= ~a12~0 5)) (.cse15 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse16 (<= ~a16~0 11)) (.cse14 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse12) (and .cse3 .cse1 .cse5 .cse12))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse7 (= ~a12~0 9)) (.cse13 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse17 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 .cse10 .cse5) (and .cse11 .cse1) (and .cse1 .cse4 .cse5 .cse12 .cse13) (and .cse1 .cse14 .cse15) (and .cse2 .cse16 .cse6 (<= 6 ~a12~0)) (and .cse11 .cse4 .cse16) (and (= ~a16~0 8) (<= ~a12~0 7)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse8) (and .cse1 .cse5 .cse13 .cse16) (and .cse15 .cse13 .cse2 .cse16) (and .cse14 .cse8) (and .cse10 (= ~a15~0 3) .cse17) (and .cse9 .cse1) (and .cse7 .cse1 .cse13) (and .cse3 .cse6 .cse17) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse17)))) [2021-11-07 08:25:30,782 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,783 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,784 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-07 08:25:30,785 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,786 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-11-07 08:25:30,787 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-07 08:25:30,788 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,789 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,790 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,791 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,791 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,791 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-07 08:25:30,791 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,791 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 08:25:30,792 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-07 08:25:30,792 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,792 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,792 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,794 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,794 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,794 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,794 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,794 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,795 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,795 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,796 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,796 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,796 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,796 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,796 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,797 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,798 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,799 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 08:25:30,800 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,801 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,802 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,803 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,803 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,803 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:25:30,803 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,803 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,804 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,805 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,806 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,807 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,808 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,809 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,810 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-07 08:25:30,811 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-07 08:25:30,814 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, 1, 1] [2021-11-07 08:25:30,815 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:25:30,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:25:30 BoogieIcfgContainer [2021-11-07 08:25:30,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:25:30,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:25:30,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:25:30,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:25:30,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:41" (3/4) ... [2021-11-07 08:25:30,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:25:30,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 08:25:30,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:25:30,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:25:30,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:25:31,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:25:31,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:25:31,171 INFO L168 Benchmark]: Toolchain (without parser) took 115068.48 ms. Allocated memory was 119.5 MB in the beginning and 3.6 GB in the end (delta: 3.5 GB). Free memory was 74.4 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 995.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,172 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 95.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:25:31,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1475.11 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 74.3 MB in the beginning and 109.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 251.88 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 86.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,173 INFO L168 Benchmark]: Boogie Preprocessor took 176.58 ms. Allocated memory is still 151.0 MB. Free memory was 86.0 MB in the beginning and 72.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,174 INFO L168 Benchmark]: RCFGBuilder took 3221.31 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 72.8 MB in the beginning and 152.8 MB in the end (delta: -80.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,174 INFO L168 Benchmark]: TraceAbstraction took 109610.84 ms. Allocated memory was 264.2 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 152.8 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,175 INFO L168 Benchmark]: Witness Printer took 321.60 ms. Allocated memory is still 3.6 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:25:31,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 119.5 MB. Free memory is still 95.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1475.11 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 74.3 MB in the beginning and 109.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 251.88 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 86.0 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.58 ms. Allocated memory is still 151.0 MB. Free memory was 86.0 MB in the beginning and 72.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3221.31 ms. Allocated memory was 151.0 MB in the beginning and 264.2 MB in the end (delta: 113.2 MB). Free memory was 72.8 MB in the beginning and 152.8 MB in the end (delta: -80.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 109610.84 ms. Allocated memory was 264.2 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 152.8 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 321.60 ms. Allocated memory is still 3.6 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 215]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 109.4s, OverallIterations: 24, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 35.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6575 SDtfs, 5264 SDslu, 150 SDs, 0 SdLazy, 20177 SolverSat, 2538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11883 GetRequests, 11822 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17770occurred in iteration=11, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 11848 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 177 NumberOfFragments, 934 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8952 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3981 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 43.4s InterpolantComputationTime, 39908 NumberOfCodeBlocks, 39908 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 39876 ConstructedInterpolants, 0 QuantifiedInterpolants, 94492 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13956 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 125825/126695 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a15 <= 3)) || ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) && (a18 + -137) / -299932 < 1)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || ((a18 + -137) / -299932 < 1 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || ((a18 + 156 <= 0 && a15 == 3) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || ((a18 + -137) / -299932 < 1 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || ((a18 + 156 <= 0 && a15 == 3) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:25:31,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb82dbbd-2163-49aa-b1b2-6c1e63904a95/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE