./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/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 ee424d693dfd8c88be1863ebdbdf37ea7e1818258f96fab9b4ff8bf142707b41 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:49:41,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:49:41,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:49:41,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:49:41,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:49:41,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:49:41,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:49:41,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:49:41,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:49:41,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:49:41,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:49:41,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:49:41,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:49:41,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:49:41,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:49:41,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:49:41,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:49:41,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:49:41,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:49:41,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:49:41,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:49:41,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:49:41,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:49:41,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:49:41,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:49:41,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:49:41,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:49:41,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:49:41,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:49:41,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:49:41,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:49:41,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:49:41,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:49:41,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:49:41,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:49:41,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:49:41,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:49:41,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:49:41,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:49:41,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:49:41,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:49:41,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:49:41,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:49:41,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:49:41,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:49:41,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:49:41,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:49:41,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:49:41,830 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:49:41,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:49:41,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:49:41,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:49:41,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:49:41,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:49:41,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:49:41,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:49:41,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:49:41,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:49:41,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:49:41,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:49:41,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:49:41,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:49:41,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:49:41,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:49:41,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:49:41,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:49:41,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:49:41,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:49:41,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:49:41,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:49:41,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:49:41,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:49:41,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:49:41,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:49:41,836 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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee424d693dfd8c88be1863ebdbdf37ea7e1818258f96fab9b4ff8bf142707b41 [2021-10-28 23:49:42,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:49:42,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:49:42,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:49:42,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:49:42,123 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:49:42,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-28 23:49:42,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/data/50c6134d0/e8bdee3d0cf6436b9da7b6d98f1507cd/FLAGfd3d117fa [2021-10-28 23:49:42,829 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:49:42,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-28 23:49:42,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/data/50c6134d0/e8bdee3d0cf6436b9da7b6d98f1507cd/FLAGfd3d117fa [2021-10-28 23:49:43,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/data/50c6134d0/e8bdee3d0cf6436b9da7b6d98f1507cd [2021-10-28 23:49:43,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:49:43,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:49:43,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:49:43,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:49:43,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:49:43,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b622e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43, skipping insertion in model container [2021-10-28 23:49:43,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:49:43,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:49:43,450 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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3777,3790] [2021-10-28 23:49:43,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:49:43,627 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:49:43,656 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_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3777,3790] [2021-10-28 23:49:43,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:49:43,776 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:49:43,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43 WrapperNode [2021-10-28 23:49:43,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:49:43,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:49:43,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:49:43,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:49:43,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:49:43,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:49:43,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:49:43,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:49:43,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:43,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:44,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:44,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:44,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:49:44,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:49:44,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:49:44,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:49:44,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (1/1) ... [2021-10-28 23:49:44,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:49:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:44,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:49:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:49:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:49:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:49:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:49:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:49:45,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:49:45,472 INFO L299 CfgBuilder]: Removed 286 assume(true) statements. [2021-10-28 23:49:45,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:45 BoogieIcfgContainer [2021-10-28 23:49:45,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:49:45,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:49:45,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:49:45,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:49:45,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:49:43" (1/3) ... [2021-10-28 23:49:45,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f535c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:49:45, skipping insertion in model container [2021-10-28 23:49:45,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:49:43" (2/3) ... [2021-10-28 23:49:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f535c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:49:45, skipping insertion in model container [2021-10-28 23:49:45,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:45" (3/3) ... [2021-10-28 23:49:45,483 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2021-10-28 23:49:45,489 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:49:45,489 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:49:45,539 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:49:45,545 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:49:45,546 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:49:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 193 states have (on average 1.5544041450777202) internal successors, (300), 196 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:49:45,573 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:45,573 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:45,574 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:45,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash -477478196, now seen corresponding path program 1 times [2021-10-28 23:49:45,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:45,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533238262] [2021-10-28 23:49:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:45,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:45,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:45,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533238262] [2021-10-28 23:49:45,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533238262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:45,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:45,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:45,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679831750] [2021-10-28 23:49:45,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:49:45,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:45,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:49:45,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:49:45,926 INFO L87 Difference]: Start difference. First operand has 197 states, 193 states have (on average 1.5544041450777202) internal successors, (300), 196 states have internal predecessors, (300), 0 states have call successors, (0), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:45,972 INFO L93 Difference]: Finished difference Result 388 states and 593 transitions. [2021-10-28 23:49:45,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:49:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-10-28 23:49:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:45,989 INFO L225 Difference]: With dead ends: 388 [2021-10-28 23:49:45,989 INFO L226 Difference]: Without dead ends: 193 [2021-10-28 23:49:45,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:49:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-28 23:49:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-10-28 23:49:46,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 190 states have (on average 1.5157894736842106) internal successors, (288), 192 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2021-10-28 23:49:46,056 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 18 [2021-10-28 23:49:46,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:46,056 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2021-10-28 23:49:46,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2021-10-28 23:49:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:49:46,059 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:46,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:46,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:49:46,060 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1388508949, now seen corresponding path program 1 times [2021-10-28 23:49:46,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:46,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093693343] [2021-10-28 23:49:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:46,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:46,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:46,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093693343] [2021-10-28 23:49:46,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093693343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:46,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:46,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:46,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973364165] [2021-10-28 23:49:46,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:46,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:46,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:46,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,250 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:46,268 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2021-10-28 23:49:46,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:46,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-10-28 23:49:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:46,271 INFO L225 Difference]: With dead ends: 193 [2021-10-28 23:49:46,271 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 23:49:46,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 23:49:46,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-28 23:49:46,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-28 23:49:46,282 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-28 23:49:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:46,282 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-28 23:49:46,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-28 23:49:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:49:46,284 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:46,284 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] [2021-10-28 23:49:46,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:49:46,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:46,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash -521457096, now seen corresponding path program 1 times [2021-10-28 23:49:46,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:46,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867341023] [2021-10-28 23:49:46,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:46,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:46,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:46,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867341023] [2021-10-28 23:49:46,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867341023] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:46,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:46,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:46,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872290951] [2021-10-28 23:49:46,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:46,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:46,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,401 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:46,438 INFO L93 Difference]: Finished difference Result 213 states and 321 transitions. [2021-10-28 23:49:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:46,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2021-10-28 23:49:46,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:46,441 INFO L225 Difference]: With dead ends: 213 [2021-10-28 23:49:46,441 INFO L226 Difference]: Without dead ends: 144 [2021-10-28 23:49:46,442 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-28 23:49:46,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2021-10-28 23:49:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.5179856115107915) internal successors, (211), 139 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 211 transitions. [2021-10-28 23:49:46,460 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 211 transitions. Word has length 24 [2021-10-28 23:49:46,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:46,460 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 211 transitions. [2021-10-28 23:49:46,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2021-10-28 23:49:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:49:46,463 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:46,463 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] [2021-10-28 23:49:46,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:49:46,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1870578463, now seen corresponding path program 1 times [2021-10-28 23:49:46,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:46,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152666200] [2021-10-28 23:49:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:46,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:46,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:46,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152666200] [2021-10-28 23:49:46,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152666200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:46,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:46,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:46,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991799009] [2021-10-28 23:49:46,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:46,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:46,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:46,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,554 INFO L87 Difference]: Start difference. First operand 140 states and 211 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:46,634 INFO L93 Difference]: Finished difference Result 295 states and 448 transitions. [2021-10-28 23:49:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:46,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-10-28 23:49:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:46,638 INFO L225 Difference]: With dead ends: 295 [2021-10-28 23:49:46,639 INFO L226 Difference]: Without dead ends: 161 [2021-10-28 23:49:46,645 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:46,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-10-28 23:49:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2021-10-28 23:49:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 1.4620253164556962) internal successors, (231), 158 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 231 transitions. [2021-10-28 23:49:46,677 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 231 transitions. Word has length 27 [2021-10-28 23:49:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:46,678 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 231 transitions. [2021-10-28 23:49:46,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2021-10-28 23:49:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:49:46,683 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:46,683 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] [2021-10-28 23:49:46,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:49:46,683 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:46,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1382032589, now seen corresponding path program 1 times [2021-10-28 23:49:46,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:46,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994824209] [2021-10-28 23:49:46,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:46,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:46,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:46,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994824209] [2021-10-28 23:49:46,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994824209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:46,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:46,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:49:46,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174020299] [2021-10-28 23:49:46,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:49:46,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:46,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:49:46,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:46,833 INFO L87 Difference]: Start difference. First operand 159 states and 231 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:47,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:47,038 INFO L93 Difference]: Finished difference Result 809 states and 1191 transitions. [2021-10-28 23:49:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:49:47,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-10-28 23:49:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:47,045 INFO L225 Difference]: With dead ends: 809 [2021-10-28 23:49:47,045 INFO L226 Difference]: Without dead ends: 656 [2021-10-28 23:49:47,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:49:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2021-10-28 23:49:47,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 252. [2021-10-28 23:49:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4183266932270917) internal successors, (356), 251 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 356 transitions. [2021-10-28 23:49:47,077 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 356 transitions. Word has length 27 [2021-10-28 23:49:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:47,078 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 356 transitions. [2021-10-28 23:49:47,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 356 transitions. [2021-10-28 23:49:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:49:47,080 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:47,080 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] [2021-10-28 23:49:47,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:49:47,081 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:47,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:47,081 INFO L85 PathProgramCache]: Analyzing trace with hash -318231153, now seen corresponding path program 1 times [2021-10-28 23:49:47,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:47,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404031913] [2021-10-28 23:49:47,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:47,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:49:47,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:49:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:49:47,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:49:47,347 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:49:47,348 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:47,351 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:47,352 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:49:47,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:49:47,361 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:49:47,365 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:49:47,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:49:47 BoogieIcfgContainer [2021-10-28 23:49:47,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:49:47,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:49:47,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:49:47,506 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:49:47,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:49:45" (3/4) ... [2021-10-28 23:49:47,508 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:49:47,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:49:47,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:49:47,592 INFO L168 Benchmark]: Toolchain (without parser) took 4461.55 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 58.2 MB in the beginning and 65.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,593 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 92.3 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:49:47,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.48 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 58.0 MB in the beginning and 93.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.77 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 88.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,594 INFO L168 Benchmark]: Boogie Preprocessor took 141.53 ms. Allocated memory is still 125.8 MB. Free memory was 88.2 MB in the beginning and 84.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,595 INFO L168 Benchmark]: RCFGBuilder took 1413.44 ms. Allocated memory is still 125.8 MB. Free memory was 84.7 MB in the beginning and 93.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,595 INFO L168 Benchmark]: TraceAbstraction took 2028.51 ms. Allocated memory is still 125.8 MB. Free memory was 92.5 MB in the beginning and 76.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,596 INFO L168 Benchmark]: Witness Printer took 85.08 ms. Allocated memory is still 125.8 MB. Free memory was 76.9 MB in the beginning and 65.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:49:47,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 92.3 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.48 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 58.0 MB in the beginning and 93.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.77 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 88.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.53 ms. Allocated memory is still 125.8 MB. Free memory was 88.2 MB in the beginning and 84.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1413.44 ms. Allocated memory is still 125.8 MB. Free memory was 84.7 MB in the beginning and 93.2 MB in the end (delta: -8.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2028.51 ms. Allocated memory is still 125.8 MB. Free memory was 92.5 MB in the beginning and 76.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Witness Printer took 85.08 ms. Allocated memory is still 125.8 MB. Free memory was 76.9 MB in the beginning and 65.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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 - CounterExampleResult [Line: 203]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L574] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L650] int retValue_acc ; [L651] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L657] tmp = valid_product() [L659] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L951] int splverifierCounter ; [L952] int tmp ; [L953] int tmp___0 ; [L954] int tmp___1 ; [L955] int tmp___2 ; [L958] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L962] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] tmp = __VERIFIER_nondet_int() [L970] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] COND TRUE waterLevel < 2 [L115] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L978] tmp___0 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L988] tmp___2 = __VERIFIER_nondet_int() [L990] COND FALSE !(\read(tmp___2)) [L994] tmp___1 = __VERIFIER_nondet_int() [L996] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L904] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L685] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L692] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L167] int retValue_acc ; [L170] retValue_acc = waterLevel [L171] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L929] tmp___0 = getWaterLevel() [L931] COND TRUE tmp___0 == 2 [L818] int retValue_acc ; [L821] retValue_acc = pumpRunning [L822] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L933] tmp___1 = isPumpRunning() [L935] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L203] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 203]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 203]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 197 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 753 SDtfs, 586 SDslu, 523 SDs, 0 SdLazy, 73 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 410 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:49:47,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e5ec0-efc2-4ca6-a99d-cb812bfb834f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...