./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.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_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/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_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/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_a1e8009b-d6db-41bb-8545-4003610cf6cb/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 c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:01:09,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:01:09,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:01:09,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:01:09,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:01:09,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:01:09,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:01:09,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:01:09,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:01:09,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:01:09,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:01:09,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:01:09,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:01:09,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:01:09,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:01:09,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:01:09,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:01:09,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:01:09,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:01:09,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:01:09,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:01:09,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:01:09,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:01:09,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:01:09,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:01:09,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:01:09,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:01:09,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:01:09,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:01:09,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:01:09,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:01:09,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:01:09,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:01:09,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:01:09,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:01:09,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:01:09,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:01:09,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:01:09,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:01:09,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:01:09,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:01:09,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-29 00:01:09,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:01:09,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:01:09,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:01:09,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:01:09,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:01:09,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:01:09,813 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:01:09,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:01:09,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:01:09,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:01:09,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:01:09,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:01:09,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 00:01:09,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:01:09,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 00:01:09,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:01:09,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:01:09,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:01:09,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 00:01:09,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:01:09,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:01:09,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:01:09,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:01:09,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:01:09,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:01:09,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 00:01:09,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:01:09,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:01:09,820 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 00:01:09,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-29 00:01:09,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 00:01:09,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:01:09,821 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_a1e8009b-d6db-41bb-8545-4003610cf6cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2021-10-29 00:01:10,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:01:10,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:01:10,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:01:10,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:01:10,135 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:01:10,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-10-29 00:01:10,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/data/1c807c71a/1f88e2352f13446d9393b77866b67fd5/FLAG5c2bbf0f3 [2021-10-29 00:01:10,790 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:01:10,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-10-29 00:01:10,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/data/1c807c71a/1f88e2352f13446d9393b77866b67fd5/FLAG5c2bbf0f3 [2021-10-29 00:01:11,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/data/1c807c71a/1f88e2352f13446d9393b77866b67fd5 [2021-10-29 00:01:11,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:01:11,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:01:11,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:01:11,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:01:11,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:01:11,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7214ae8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11, skipping insertion in model container [2021-10-29 00:01:11,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:01:11,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:01:11,496 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_a1e8009b-d6db-41bb-8545-4003610cf6cb/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2021-10-29 00:01:11,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:01:11,527 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:01:11,649 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_a1e8009b-d6db-41bb-8545-4003610cf6cb/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2021-10-29 00:01:11,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:01:11,676 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:01:11,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11 WrapperNode [2021-10-29 00:01:11,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:01:11,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:01:11,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:01:11,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:01:11,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:01:11,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:01:11,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:01:11,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:01:11,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:01:11,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:01:11,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:01:11,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:01:11,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (1/1) ... [2021-10-29 00:01:11,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:01:11,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:11,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:01:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:01:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:01:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:01:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:01:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:01:12,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:01:12,793 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-29 00:01:12,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:12 BoogieIcfgContainer [2021-10-29 00:01:12,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:01:12,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:01:12,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:01:12,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:01:12,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:01:11" (1/3) ... [2021-10-29 00:01:12,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774185ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:01:12, skipping insertion in model container [2021-10-29 00:01:12,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:01:11" (2/3) ... [2021-10-29 00:01:12,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774185ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:01:12, skipping insertion in model container [2021-10-29 00:01:12,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:12" (3/3) ... [2021-10-29 00:01:12,804 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2021-10-29 00:01:12,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:01:12,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 00:01:12,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:01:12,866 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 [2021-10-29 00:01:12,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 00:01:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 00:01:12,890 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:12,890 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:12,891 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:12,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:12,897 INFO L85 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2021-10-29 00:01:12,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:12,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049147921] [2021-10-29 00:01:12,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:12,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:13,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:13,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049147921] [2021-10-29 00:01:13,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049147921] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:13,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:13,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:01:13,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014524599] [2021-10-29 00:01:13,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 00:01:13,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:13,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 00:01:13,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 00:01:13,174 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:13,196 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-29 00:01:13,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 00:01:13,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-10-29 00:01:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:13,207 INFO L225 Difference]: With dead ends: 132 [2021-10-29 00:01:13,207 INFO L226 Difference]: Without dead ends: 65 [2021-10-29 00:01:13,210 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 [2021-10-29 00:01:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-29 00:01:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-29 00:01:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-29 00:01:13,246 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-29 00:01:13,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:13,247 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-29 00:01:13,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-29 00:01:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 00:01:13,248 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:13,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:01:13,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 00:01:13,249 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:13,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:13,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2021-10-29 00:01:13,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:13,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64153114] [2021-10-29 00:01:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:13,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:13,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:13,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64153114] [2021-10-29 00:01:13,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64153114] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:13,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:13,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:01:13,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563648324] [2021-10-29 00:01:13,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:01:13,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:01:13,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:01:13,382 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:13,391 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-29 00:01:13,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:01:13,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-10-29 00:01:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:13,392 INFO L225 Difference]: With dead ends: 65 [2021-10-29 00:01:13,392 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 00:01:13,393 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 [2021-10-29 00:01:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 00:01:13,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-29 00:01:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-29 00:01:13,398 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-29 00:01:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:13,399 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-29 00:01:13,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-29 00:01:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 00:01:13,400 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:13,400 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] [2021-10-29 00:01:13,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 00:01:13,401 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2021-10-29 00:01:13,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:13,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316859504] [2021-10-29 00:01:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:13,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:13,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:13,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316859504] [2021-10-29 00:01:13,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316859504] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:13,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:13,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:01:13,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879638364] [2021-10-29 00:01:13,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 00:01:13,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:13,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:01:13,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:01:13,549 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:13,750 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-29 00:01:13,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:01:13,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-10-29 00:01:13,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:13,752 INFO L225 Difference]: With dead ends: 56 [2021-10-29 00:01:13,752 INFO L226 Difference]: Without dead ends: 31 [2021-10-29 00:01:13,753 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:01:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-29 00:01:13,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-29 00:01:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-29 00:01:13,758 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-29 00:01:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:13,759 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-29 00:01:13,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-29 00:01:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 00:01:13,760 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:13,760 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] [2021-10-29 00:01:13,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 00:01:13,761 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2021-10-29 00:01:13,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:13,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581699964] [2021-10-29 00:01:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:13,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:13,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:13,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581699964] [2021-10-29 00:01:13,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581699964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:13,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:13,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 00:01:13,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253331739] [2021-10-29 00:01:13,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 00:01:13,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 00:01:13,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:01:13,866 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:14,289 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2021-10-29 00:01:14,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 00:01:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-29 00:01:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:14,292 INFO L225 Difference]: With dead ends: 178 [2021-10-29 00:01:14,292 INFO L226 Difference]: Without dead ends: 153 [2021-10-29 00:01:14,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-29 00:01:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-29 00:01:14,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2021-10-29 00:01:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2021-10-29 00:01:14,308 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2021-10-29 00:01:14,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:14,309 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2021-10-29 00:01:14,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-10-29 00:01:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 00:01:14,310 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:14,311 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] [2021-10-29 00:01:14,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 00:01:14,311 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:14,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:14,312 INFO L85 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2021-10-29 00:01:14,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:14,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911599860] [2021-10-29 00:01:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:14,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:14,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:14,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911599860] [2021-10-29 00:01:14,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911599860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:14,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:01:14,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:01:14,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692133533] [2021-10-29 00:01:14,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:01:14,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:14,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:01:14,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:01:14,374 INFO L87 Difference]: Start difference. First operand 72 states and 100 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) [2021-10-29 00:01:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:14,388 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2021-10-29 00:01:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:01:14,388 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 [2021-10-29 00:01:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:14,390 INFO L225 Difference]: With dead ends: 126 [2021-10-29 00:01:14,390 INFO L226 Difference]: Without dead ends: 60 [2021-10-29 00:01:14,390 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 [2021-10-29 00:01:14,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-29 00:01:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-29 00:01:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-10-29 00:01:14,412 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2021-10-29 00:01:14,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:14,413 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-10-29 00:01:14,413 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) [2021-10-29 00:01:14,413 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-10-29 00:01:14,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 00:01:14,415 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:01:14,415 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 00:01:14,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 00:01:14,415 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:01:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:01:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2021-10-29 00:01:14,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:01:14,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642274115] [2021-10-29 00:01:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:14,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:01:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:14,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:01:14,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642274115] [2021-10-29 00:01:14,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642274115] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:01:14,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158243492] [2021-10-29 00:01:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:01:14,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:01:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:01:14,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:01:14,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 00:01:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:01:14,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:01:14,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:01:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:01:14,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158243492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:01:14,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-29 00:01:14,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-29 00:01:14,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949291368] [2021-10-29 00:01:14,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:01:14,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:01:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:01:14,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:01:14,884 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:01:14,985 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2021-10-29 00:01:14,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:01:14,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-10-29 00:01:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:01:14,990 INFO L225 Difference]: With dead ends: 77 [2021-10-29 00:01:14,990 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 00:01:14,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:01:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 00:01:14,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 00:01:14,992 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) [2021-10-29 00:01:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 00:01:14,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-29 00:01:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:01:14,993 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:01:14,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:01:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:01:14,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 00:01:14,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:01:14,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:01:14,999 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:01:15,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:01:15,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:01:15,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 00:01:15,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:01:15,745 INFO L853 garLoopResultBuilder]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2021-10-29 00:01:15,746 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,746 INFO L853 garLoopResultBuilder]: At program point L680(lines 679 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,746 INFO L857 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2021-10-29 00:01:15,746 INFO L853 garLoopResultBuilder]: At program point L680-2(lines 679 698) the Hoare annotation is: false [2021-10-29 00:01:15,746 INFO L853 garLoopResultBuilder]: At program point L680-3(lines 679 698) the Hoare annotation is: false [2021-10-29 00:01:15,747 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-29 00:01:15,747 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 00:01:15,747 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-29 00:01:15,747 INFO L857 garLoopResultBuilder]: For program point L615(lines 614 659) no Hoare annotation was computed. [2021-10-29 00:01:15,747 INFO L860 garLoopResultBuilder]: At program point L599(lines 580 602) the Hoare annotation is: true [2021-10-29 00:01:15,747 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-29 00:01:15,748 INFO L853 garLoopResultBuilder]: At program point L864(lines 1 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:01:15,748 INFO L853 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: false [2021-10-29 00:01:15,748 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2021-10-29 00:01:15,748 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2021-10-29 00:01:15,748 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 828) no Hoare annotation was computed. [2021-10-29 00:01:15,748 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 1 875) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 0)) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,748 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 828) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 724) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L853 garLoopResultBuilder]: At program point L815-3(lines 1 875) the Hoare annotation is: false [2021-10-29 00:01:15,749 INFO L857 garLoopResultBuilder]: For program point L716-1(lines 716 724) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L857 garLoopResultBuilder]: For program point L815-4(lines 815 828) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L857 garLoopResultBuilder]: For program point L650(lines 650 654) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 724) no Hoare annotation was computed. [2021-10-29 00:01:15,749 INFO L853 garLoopResultBuilder]: At program point L815-5(lines 1 875) the Hoare annotation is: false [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point L650-2(lines 680 686) no Hoare annotation was computed. [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 680 686) no Hoare annotation was computed. [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 640) no Hoare annotation was computed. [2021-10-29 00:01:15,750 INFO L853 garLoopResultBuilder]: At program point L634-1(lines 634 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-29 00:01:15,750 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 00:01:15,751 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,751 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2021-10-29 00:01:15,751 INFO L857 garLoopResultBuilder]: For program point L819-2(lines 819 825) no Hoare annotation was computed. [2021-10-29 00:01:15,751 INFO L853 garLoopResultBuilder]: At program point L687(lines 687 693) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,751 INFO L857 garLoopResultBuilder]: For program point L819-4(lines 819 825) no Hoare annotation was computed. [2021-10-29 00:01:15,751 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: false [2021-10-29 00:01:15,752 INFO L853 garLoopResultBuilder]: At program point L687-2(lines 687 693) the Hoare annotation is: false [2021-10-29 00:01:15,752 INFO L857 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,752 INFO L857 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,752 INFO L857 garLoopResultBuilder]: For program point L837-2(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,752 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 00:01:15,752 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 597) no Hoare annotation was computed. [2021-10-29 00:01:15,752 INFO L860 garLoopResultBuilder]: At program point L590-1(lines 590 597) the Hoare annotation is: true [2021-10-29 00:01:15,753 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-29 00:01:15,753 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-29 00:01:15,753 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-29 00:01:15,753 INFO L853 garLoopResultBuilder]: At program point L756(lines 749 759) the Hoare annotation is: false [2021-10-29 00:01:15,753 INFO L853 garLoopResultBuilder]: At program point L756-1(lines 749 759) the Hoare annotation is: false [2021-10-29 00:01:15,753 INFO L853 garLoopResultBuilder]: At program point L756-2(lines 749 759) the Hoare annotation is: false [2021-10-29 00:01:15,765 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2021-10-29 00:01:15,765 INFO L853 garLoopResultBuilder]: At program point L624-1(lines 624 630) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,766 INFO L853 garLoopResultBuilder]: At program point L872(lines 867 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:01:15,766 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~3 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-29 00:01:15,766 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2021-10-29 00:01:15,766 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-10-29 00:01:15,766 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 00:01:15,767 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 837) no Hoare annotation was computed. [2021-10-29 00:01:15,767 INFO L853 garLoopResultBuilder]: At program point L660(lines 613 661) the Hoare annotation is: false [2021-10-29 00:01:15,767 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 655) no Hoare annotation was computed. [2021-10-29 00:01:15,767 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-29 00:01:15,767 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: false [2021-10-29 00:01:15,767 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-29 00:01:15,768 INFO L853 garLoopResultBuilder]: At program point L563(lines 559 565) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:01:15,768 INFO L857 garLoopResultBuilder]: For program point L712(lines 712 729) no Hoare annotation was computed. [2021-10-29 00:01:15,768 INFO L857 garLoopResultBuilder]: For program point L712-1(lines 712 729) no Hoare annotation was computed. [2021-10-29 00:01:15,768 INFO L857 garLoopResultBuilder]: For program point L712-2(lines 712 729) no Hoare annotation was computed. [2021-10-29 00:01:15,772 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-29 00:01:15,773 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:01:15,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:01:15 BoogieIcfgContainer [2021-10-29 00:01:15,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:01:15,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:01:15,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:01:15,814 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:01:15,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:01:12" (3/4) ... [2021-10-29 00:01:15,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 00:01:15,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 00:01:15,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 00:01:15,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 00:01:15,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 00:01:15,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 00:01:15,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:01:15,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:01:15,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-10-29 00:01:15,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1 [2021-10-29 00:01:15,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) [2021-10-29 00:01:15,918 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:01:15,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:01:15,919 INFO L168 Benchmark]: Toolchain (without parser) took 4792.23 ms. Allocated memory was 94.4 MB in the beginning and 148.9 MB in the end (delta: 54.5 MB). Free memory was 57.8 MB in the beginning and 114.8 MB in the end (delta: -57.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:15,920 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:01:15,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.41 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 61.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.64 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 58.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,921 INFO L168 Benchmark]: Boogie Preprocessor took 52.93 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,922 INFO L168 Benchmark]: RCFGBuilder took 954.71 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 56.6 MB in the beginning and 81.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,922 INFO L168 Benchmark]: TraceAbstraction took 3016.13 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 81.2 MB in the beginning and 121.0 MB in the end (delta: -39.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,923 INFO L168 Benchmark]: Witness Printer took 104.60 ms. Allocated memory is still 148.9 MB. Free memory was 121.0 MB in the beginning and 114.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:01:15,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 550.41 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 61.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.64 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 58.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.93 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 954.71 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 56.6 MB in the beginning and 81.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3016.13 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 81.2 MB in the beginning and 121.0 MB in the end (delta: -39.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Witness Printer took 104.60 ms. Allocated memory is still 148.9 MB. Free memory was 121.0 MB in the beginning and 114.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 837]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 837]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 837]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 470 SDslu, 342 SDs, 0 SdLazy, 91 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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 3 specifications checked. All of them hold - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 00:01:15,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e8009b-d6db-41bb-8545-4003610cf6cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...