./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b3b52d0771d28687db0ecd40f35ba0cd5ac6eaf2a4275309beef5f48092d06e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:55:38,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:55:38,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:55:38,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:55:38,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:55:38,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:55:38,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:55:38,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:55:38,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:55:38,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:55:38,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:55:38,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:55:38,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:55:38,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:55:38,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:55:38,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:55:38,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:55:38,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:55:38,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:55:38,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:55:38,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:55:38,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:55:38,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:55:38,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:55:38,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:55:38,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:55:38,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:55:38,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:55:38,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:55:38,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:55:38,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:55:38,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:55:38,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:55:38,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:55:38,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:55:38,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:55:38,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:55:38,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:55:38,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:55:38,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:55:38,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:55:38,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:55:38,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:55:38,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:55:38,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:55:38,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:55:38,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:55:38,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:55:38,825 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:55:38,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:55:38,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:55:38,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:55:38,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:55:38,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:55:38,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:55:38,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:55:38,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:55:38,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:55:38,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:55:38,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:55:38,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:55:38,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:55:38,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:55:38,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:55:38,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:55:38,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:55:38,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:55:38,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:55:38,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:55:38,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:55:38,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:55:38,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:55:38,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:55:38,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:55:38,833 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_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b3b52d0771d28687db0ecd40f35ba0cd5ac6eaf2a4275309beef5f48092d06e [2021-10-28 22:55:39,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:55:39,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:55:39,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:55:39,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:55:39,199 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:55:39,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2021-10-28 22:55:39,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/data/6e1ee34b9/96838c9623bc42f7b39de5bc89a04fd6/FLAG0058bd237 [2021-10-28 22:55:40,016 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:55:40,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/sv-benchmarks/c/eca-rers2012/Problem01_label12.c [2021-10-28 22:55:40,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/data/6e1ee34b9/96838c9623bc42f7b39de5bc89a04fd6/FLAG0058bd237 [2021-10-28 22:55:40,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/data/6e1ee34b9/96838c9623bc42f7b39de5bc89a04fd6 [2021-10-28 22:55:40,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:55:40,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:55:40,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:55:40,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:55:40,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:55:40,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:40" (1/1) ... [2021-10-28 22:55:40,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2234b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:40, skipping insertion in model container [2021-10-28 22:55:40,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:40" (1/1) ... [2021-10-28 22:55:40,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:55:40,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:55:40,844 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_29bce702-7d53-4ed4-ae65-44bd41b4b178/sv-benchmarks/c/eca-rers2012/Problem01_label12.c[20469,20482] [2021-10-28 22:55:40,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:55:40,896 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:55:40,992 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_29bce702-7d53-4ed4-ae65-44bd41b4b178/sv-benchmarks/c/eca-rers2012/Problem01_label12.c[20469,20482] [2021-10-28 22:55:40,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:55:41,025 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:55:41,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41 WrapperNode [2021-10-28 22:55:41,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:55:41,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:55:41,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:55:41,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:55:41,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:55:41,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:55:41,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:55:41,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:55:41,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:55:41,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:55:41,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:55:41,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:55:41,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (1/1) ... [2021-10-28 22:55:41,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:55:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:41,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:41,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:55:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:55:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:55:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:55:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:55:43,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:55:43,027 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 22:55:43,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:43 BoogieIcfgContainer [2021-10-28 22:55:43,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:55:43,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:55:43,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:55:43,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:55:43,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:55:40" (1/3) ... [2021-10-28 22:55:43,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35647191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:55:43, skipping insertion in model container [2021-10-28 22:55:43,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:41" (2/3) ... [2021-10-28 22:55:43,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35647191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:55:43, skipping insertion in model container [2021-10-28 22:55:43,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:43" (3/3) ... [2021-10-28 22:55:43,048 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label12.c [2021-10-28 22:55:43,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:55:43,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:55:43,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:55:43,136 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:55:43,136 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:55:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-28 22:55:43,177 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:43,178 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:43,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:43,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:43,185 INFO L85 PathProgramCache]: Analyzing trace with hash -56899633, now seen corresponding path program 1 times [2021-10-28 22:55:43,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:43,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707891956] [2021-10-28 22:55:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:43,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:55:43,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:43,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707891956] [2021-10-28 22:55:43,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707891956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:43,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:43,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:55:43,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459005072] [2021-10-28 22:55:43,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:43,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:43,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:43,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:43,734 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:44,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:44,605 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-10-28 22:55:44,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:44,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2021-10-28 22:55:44,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:44,631 INFO L225 Difference]: With dead ends: 528 [2021-10-28 22:55:44,632 INFO L226 Difference]: Without dead ends: 266 [2021-10-28 22:55:44,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:44,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-28 22:55:44,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-10-28 22:55:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2021-10-28 22:55:44,719 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 120 [2021-10-28 22:55:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:44,720 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2021-10-28 22:55:44,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2021-10-28 22:55:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-28 22:55:44,724 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:44,725 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 22:55:44,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:55:44,725 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2046521246, now seen corresponding path program 1 times [2021-10-28 22:55:44,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:44,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56782927] [2021-10-28 22:55:44,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:44,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:55:44,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:44,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56782927] [2021-10-28 22:55:44,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56782927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:44,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:44,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:55:44,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020664133] [2021-10-28 22:55:44,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:44,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:44,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:44,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:44,837 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:45,383 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2021-10-28 22:55:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2021-10-28 22:55:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:45,390 INFO L225 Difference]: With dead ends: 792 [2021-10-28 22:55:45,391 INFO L226 Difference]: Without dead ends: 528 [2021-10-28 22:55:45,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-28 22:55:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-10-28 22:55:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3453510436432639) internal successors, (709), 527 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2021-10-28 22:55:45,455 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 126 [2021-10-28 22:55:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:45,457 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2021-10-28 22:55:45,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2021-10-28 22:55:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-28 22:55:45,469 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:45,470 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 22:55:45,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:55:45,472 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1403860126, now seen corresponding path program 1 times [2021-10-28 22:55:45,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:45,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545026947] [2021-10-28 22:55:45,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:45,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:55:45,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:45,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545026947] [2021-10-28 22:55:45,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545026947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:45,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:45,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:45,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961580650] [2021-10-28 22:55:45,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:55:45,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:55:45,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:55:45,804 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:46,596 INFO L93 Difference]: Finished difference Result 1411 states and 1882 transitions. [2021-10-28 22:55:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:55:46,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-10-28 22:55:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:46,602 INFO L225 Difference]: With dead ends: 1411 [2021-10-28 22:55:46,602 INFO L226 Difference]: Without dead ends: 790 [2021-10-28 22:55:46,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:55:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2021-10-28 22:55:46,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2021-10-28 22:55:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.1634980988593155) internal successors, (918), 789 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 918 transitions. [2021-10-28 22:55:46,631 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 918 transitions. Word has length 127 [2021-10-28 22:55:46,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:46,631 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 918 transitions. [2021-10-28 22:55:46,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 918 transitions. [2021-10-28 22:55:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-28 22:55:46,635 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:46,635 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:46,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:55:46,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:46,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash 941886709, now seen corresponding path program 1 times [2021-10-28 22:55:46,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:46,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171813820] [2021-10-28 22:55:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:46,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:55:46,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:46,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171813820] [2021-10-28 22:55:46,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171813820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:46,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:46,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:55:46,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908710497] [2021-10-28 22:55:46,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:46,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:46,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:46,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:46,780 INFO L87 Difference]: Start difference. First operand 790 states and 918 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:47,228 INFO L93 Difference]: Finished difference Result 1578 states and 1859 transitions. [2021-10-28 22:55:47,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-10-28 22:55:47,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:47,236 INFO L225 Difference]: With dead ends: 1578 [2021-10-28 22:55:47,236 INFO L226 Difference]: Without dead ends: 921 [2021-10-28 22:55:47,238 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-10-28 22:55:47,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2021-10-28 22:55:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1532608695652173) internal successors, (1061), 920 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1061 transitions. [2021-10-28 22:55:47,270 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1061 transitions. Word has length 132 [2021-10-28 22:55:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:47,271 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1061 transitions. [2021-10-28 22:55:47,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1061 transitions. [2021-10-28 22:55:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-28 22:55:47,275 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:47,276 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:47,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:55:47,276 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:47,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1849923885, now seen corresponding path program 1 times [2021-10-28 22:55:47,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:47,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448902574] [2021-10-28 22:55:47,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:47,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 22:55:47,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:47,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448902574] [2021-10-28 22:55:47,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448902574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:47,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:47,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:47,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462722468] [2021-10-28 22:55:47,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:47,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:47,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:47,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:47,344 INFO L87 Difference]: Start difference. First operand 921 states and 1061 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:47,778 INFO L93 Difference]: Finished difference Result 2364 states and 2732 transitions. [2021-10-28 22:55:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:47,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2021-10-28 22:55:47,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:47,788 INFO L225 Difference]: With dead ends: 2364 [2021-10-28 22:55:47,788 INFO L226 Difference]: Without dead ends: 1576 [2021-10-28 22:55:47,790 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-10-28 22:55:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1183. [2021-10-28 22:55:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.1505922165820643) internal successors, (1360), 1182 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1360 transitions. [2021-10-28 22:55:47,831 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1360 transitions. Word has length 141 [2021-10-28 22:55:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:47,831 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1360 transitions. [2021-10-28 22:55:47,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1360 transitions. [2021-10-28 22:55:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-28 22:55:47,835 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:47,836 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:47,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:55:47,836 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:47,837 INFO L85 PathProgramCache]: Analyzing trace with hash 744717572, now seen corresponding path program 1 times [2021-10-28 22:55:47,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:47,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73399099] [2021-10-28 22:55:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:47,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:55:47,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:47,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73399099] [2021-10-28 22:55:47,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73399099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:47,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:47,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:47,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994592443] [2021-10-28 22:55:47,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:47,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:47,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:47,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:47,924 INFO L87 Difference]: Start difference. First operand 1183 states and 1360 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:48,339 INFO L93 Difference]: Finished difference Result 2626 states and 3028 transitions. [2021-10-28 22:55:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:48,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 147 [2021-10-28 22:55:48,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:48,354 INFO L225 Difference]: With dead ends: 2626 [2021-10-28 22:55:48,355 INFO L226 Difference]: Without dead ends: 1576 [2021-10-28 22:55:48,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:48,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-10-28 22:55:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2021-10-28 22:55:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.1412742382271468) internal successors, (1648), 1444 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1648 transitions. [2021-10-28 22:55:48,394 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1648 transitions. Word has length 147 [2021-10-28 22:55:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:48,395 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1648 transitions. [2021-10-28 22:55:48,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1648 transitions. [2021-10-28 22:55:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-28 22:55:48,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:48,400 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:48,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:55:48,400 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:48,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1477657121, now seen corresponding path program 1 times [2021-10-28 22:55:48,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:48,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455075320] [2021-10-28 22:55:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:48,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:55:48,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:48,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455075320] [2021-10-28 22:55:48,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455075320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:48,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:48,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:48,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910916331] [2021-10-28 22:55:48,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:55:48,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:48,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:55:48,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:55:48,505 INFO L87 Difference]: Start difference. First operand 1445 states and 1648 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:49,186 INFO L93 Difference]: Finished difference Result 3805 states and 4421 transitions. [2021-10-28 22:55:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:55:49,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 161 [2021-10-28 22:55:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:49,199 INFO L225 Difference]: With dead ends: 3805 [2021-10-28 22:55:49,199 INFO L226 Difference]: Without dead ends: 2231 [2021-10-28 22:55:49,201 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:55:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-10-28 22:55:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2021-10-28 22:55:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.127540650406504) internal successors, (2219), 1968 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2219 transitions. [2021-10-28 22:55:49,279 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2219 transitions. Word has length 161 [2021-10-28 22:55:49,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:49,280 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2219 transitions. [2021-10-28 22:55:49,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2219 transitions. [2021-10-28 22:55:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-28 22:55:49,286 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:49,286 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:49,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:55:49,287 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:49,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1790855982, now seen corresponding path program 1 times [2021-10-28 22:55:49,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168406725] [2021-10-28 22:55:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:55:49,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:49,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168406725] [2021-10-28 22:55:49,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168406725] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:49,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:49,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:49,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065440380] [2021-10-28 22:55:49,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:49,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:49,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:49,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:49,394 INFO L87 Difference]: Start difference. First operand 1969 states and 2219 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:49,751 INFO L93 Difference]: Finished difference Result 4067 states and 4598 transitions. [2021-10-28 22:55:49,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:49,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 167 [2021-10-28 22:55:49,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:49,763 INFO L225 Difference]: With dead ends: 4067 [2021-10-28 22:55:49,763 INFO L226 Difference]: Without dead ends: 2100 [2021-10-28 22:55:49,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-10-28 22:55:49,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2021-10-28 22:55:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.130589430894309) internal successors, (2225), 1968 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2225 transitions. [2021-10-28 22:55:49,816 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2225 transitions. Word has length 167 [2021-10-28 22:55:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:49,817 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2225 transitions. [2021-10-28 22:55:49,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2225 transitions. [2021-10-28 22:55:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-10-28 22:55:49,822 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:49,823 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:49,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:55:49,823 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1946108049, now seen corresponding path program 1 times [2021-10-28 22:55:49,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961329098] [2021-10-28 22:55:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 22:55:49,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:49,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961329098] [2021-10-28 22:55:49,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961329098] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:55:49,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384984143] [2021-10-28 22:55:49,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:55:49,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:49,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:55:49,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:55:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:50,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:55:50,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-28 22:55:50,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384984143] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:50,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:55:50,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 22:55:50,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664221730] [2021-10-28 22:55:50,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:50,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:50,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:55:50,648 INFO L87 Difference]: Start difference. First operand 1969 states and 2225 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:51,056 INFO L93 Difference]: Finished difference Result 4329 states and 4858 transitions. [2021-10-28 22:55:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:51,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 181 [2021-10-28 22:55:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:51,067 INFO L225 Difference]: With dead ends: 4329 [2021-10-28 22:55:51,068 INFO L226 Difference]: Without dead ends: 1969 [2021-10-28 22:55:51,071 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:55:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-10-28 22:55:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2021-10-28 22:55:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.0979858464888406) internal successors, (2017), 1837 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2017 transitions. [2021-10-28 22:55:51,121 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2017 transitions. Word has length 181 [2021-10-28 22:55:51,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:51,121 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2017 transitions. [2021-10-28 22:55:51,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2017 transitions. [2021-10-28 22:55:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-28 22:55:51,127 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:55:51,128 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-10-28 22:55:51,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:51,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:55:51,341 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:55:51,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:51,341 INFO L85 PathProgramCache]: Analyzing trace with hash -720895411, now seen corresponding path program 1 times [2021-10-28 22:55:51,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:51,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063252961] [2021-10-28 22:55:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:51,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:55:51,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:51,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063252961] [2021-10-28 22:55:51,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063252961] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:55:51,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203045473] [2021-10-28 22:55:51,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:51,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:55:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:51,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:55:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 22:55:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:51,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:55:51,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-28 22:55:52,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203045473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:52,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:55:52,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 22:55:52,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401564359] [2021-10-28 22:55:52,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:55:52,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:55:52,150 INFO L87 Difference]: Start difference. First operand 1838 states and 2017 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:52,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:52,530 INFO L93 Difference]: Finished difference Result 3672 states and 4048 transitions. [2021-10-28 22:55:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:52,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 200 [2021-10-28 22:55:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:55:52,532 INFO L225 Difference]: With dead ends: 3672 [2021-10-28 22:55:52,532 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:55:52,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:55:52,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:55:52,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:55:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:55:52,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2021-10-28 22:55:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:55:52,537 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:55:52,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:55:52,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:55:52,540 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:55:52,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:52,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 22:55:52,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:55:52,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:55:52,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:55:52,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:55:53,035 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-10-28 22:55:53,035 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-10-28 22:55:53,035 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-10-28 22:55:53,035 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,036 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-10-28 22:55:53,037 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,038 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-10-28 22:55:53,039 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-10-28 22:55:53,040 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,041 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-10-28 22:55:53,042 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,043 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-10-28 22:55:53,044 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-10-28 22:55:53,046 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-10-28 22:55:53,046 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-10-28 22:55:53,046 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-10-28 22:55:53,046 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-10-28 22:55:53,046 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,047 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-10-28 22:55:53,048 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-10-28 22:55:53,049 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,050 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-10-28 22:55:53,051 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-10-28 22:55:53,052 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-10-28 22:55:53,052 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-10-28 22:55:53,052 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-28 22:55:53,052 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-10-28 22:55:53,052 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-10-28 22:55:53,053 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse5 (<= ~a8~0 13)) (.cse2 (<= 15 ~a8~0)) (.cse6 (<= ~a16~0 5)) (.cse7 (<= ~a17~0 0)) (.cse3 (= ~a12~0 8)) (.cse0 (= ~a21~0 1)) (.cse1 (= ~a17~0 1)) (.cse4 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 (<= 6 ~a16~0) .cse0 .cse1 .cse4) (and .cse5 .cse6) (and .cse5 .cse4) (and .cse7 .cse0 .cse2) (and .cse7 .cse0 .cse6) (and .cse7 .cse0 .cse4) (and .cse3 .cse0 .cse1 (<= ~a16~0 4) .cse4))) [2021-10-28 22:55:53,053 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,053 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,053 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,053 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-10-28 22:55:53,054 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-10-28 22:55:53,055 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-10-28 22:55:53,056 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-10-28 22:55:53,056 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:55:53,056 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-10-28 22:55:53,056 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-10-28 22:55:53,056 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,056 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-10-28 22:55:53,057 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-10-28 22:55:53,058 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-10-28 22:55:53,059 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-10-28 22:55:53,060 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-10-28 22:55:53,061 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-10-28 22:55:53,062 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-10-28 22:55:53,062 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,062 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse5 (<= ~a8~0 13)) (.cse2 (<= 15 ~a8~0)) (.cse6 (<= ~a16~0 5)) (.cse7 (<= ~a17~0 0)) (.cse3 (= ~a12~0 8)) (.cse0 (= ~a21~0 1)) (.cse1 (= ~a17~0 1)) (.cse4 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 (<= 6 ~a16~0) .cse0 .cse1 .cse4) (and .cse5 .cse6) (and .cse5 .cse4) (and .cse7 .cse0 .cse2) (and .cse7 .cse0 .cse6) (and .cse7 .cse0 .cse4) (and .cse3 .cse0 .cse1 (<= ~a16~0 4) .cse4))) [2021-10-28 22:55:53,062 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,062 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,062 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-10-28 22:55:53,063 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-10-28 22:55:53,064 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-10-28 22:55:53,065 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-10-28 22:55:53,066 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-10-28 22:55:53,066 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-10-28 22:55:53,069 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:53,070 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:55:53,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:55:53 BoogieIcfgContainer [2021-10-28 22:55:53,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:55:53,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:55:53,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:55:53,088 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:55:53,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:43" (3/4) ... [2021-10-28 22:55:53,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:55:53,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 22:55:53,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 22:55:53,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:55:53,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:55:53,263 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:55:53,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:55:53,265 INFO L168 Benchmark]: Toolchain (without parser) took 13034.14 ms. Allocated memory was 98.6 MB in the beginning and 205.5 MB in the end (delta: 107.0 MB). Free memory was 70.7 MB in the beginning and 67.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 109.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,265 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:53,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.60 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 56.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.13 ms. Allocated memory is still 98.6 MB. Free memory was 56.1 MB in the beginning and 50.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,267 INFO L168 Benchmark]: Boogie Preprocessor took 155.04 ms. Allocated memory is still 98.6 MB. Free memory was 50.4 MB in the beginning and 46.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,267 INFO L168 Benchmark]: RCFGBuilder took 1714.37 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 81.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,267 INFO L168 Benchmark]: TraceAbstraction took 10051.56 ms. Allocated memory was 121.6 MB in the beginning and 205.5 MB in the end (delta: 83.9 MB). Free memory was 81.1 MB in the beginning and 82.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,268 INFO L168 Benchmark]: Witness Printer took 175.67 ms. Allocated memory is still 205.5 MB. Free memory was 82.4 MB in the beginning and 67.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:53,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 795.60 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 56.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.13 ms. Allocated memory is still 98.6 MB. Free memory was 56.1 MB in the beginning and 50.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 155.04 ms. Allocated memory is still 98.6 MB. Free memory was 50.4 MB in the beginning and 46.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1714.37 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 81.7 MB in the end (delta: -35.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10051.56 ms. Allocated memory was 121.6 MB in the beginning and 205.5 MB in the end (delta: 83.9 MB). Free memory was 81.1 MB in the beginning and 82.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 16.1 GB. * Witness Printer took 175.67 ms. Allocated memory is still 205.5 MB. Free memory was 82.4 MB in the beginning and 67.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 546]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 812 SDtfs, 1123 SDslu, 62 SDs, 0 SdLazy, 3758 SolverSat, 562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=7, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 175 HoareAnnotationTreeSize, 3 FomulaSimplifications, 900 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1883 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1871 ConstructedInterpolants, 0 QuantifiedInterpolants, 5705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 588/600 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: 593]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && a17 == 1) && 15 <= a8) || ((((a12 == 8 && 6 <= a16) && a21 == 1) && a17 == 1) && a20 == 1)) || (a8 <= 13 && a16 <= 5)) || (a8 <= 13 && a20 == 1)) || ((a17 <= 0 && a21 == 1) && 15 <= a8)) || ((a17 <= 0 && a21 == 1) && a16 <= 5)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((((a12 == 8 && a21 == 1) && a17 == 1) && a16 <= 4) && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && a17 == 1) && 15 <= a8) || ((((a12 == 8 && 6 <= a16) && a21 == 1) && a17 == 1) && a20 == 1)) || (a8 <= 13 && a16 <= 5)) || (a8 <= 13 && a20 == 1)) || ((a17 <= 0 && a21 == 1) && 15 <= a8)) || ((a17 <= 0 && a21 == 1) && a16 <= 5)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((((a12 == 8 && a21 == 1) && a17 == 1) && a16 <= 4) && a20 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 22:55:53,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29bce702-7d53-4ed4-ae65-44bd41b4b178/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...