./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.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_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:31:41,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:31:41,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:31:41,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:31:41,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:31:41,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:31:41,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:31:41,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:31:41,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:31:41,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:31:41,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:31:41,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:31:41,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:31:41,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:31:41,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:31:41,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:31:41,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:31:41,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:31:41,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:31:41,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:31:41,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:31:41,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:31:41,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:31:41,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:31:41,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:31:41,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:31:41,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:31:41,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:31:41,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:31:41,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:31:41,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:31:41,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:31:41,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:31:41,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:31:41,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:31:41,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:31:41,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:31:41,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:31:41,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:31:41,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:31:41,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:31:41,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:31:41,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:31:41,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:31:41,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:31:41,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:31:41,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:31:41,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:31:41,899 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:31:41,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:31:41,900 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:31:41,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:31:41,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:31:41,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:31:41,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:31:41,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:31:41,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:31:41,901 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:31:41,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:31:41,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:31:41,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:31:41,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:31:41,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:31:41,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:31:41,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:41,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:31:41,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:31:41,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:31:41,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:31:41,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:31:41,904 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:31:41,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:31:41,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:31:41,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:31:41,905 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_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2021-10-28 09:31:42,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:31:42,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:31:42,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:31:42,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:31:42,227 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:31:42,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-28 09:31:42,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/data/75756aef2/0bdb60a8ad134c79afbbe95ea151aec1/FLAG6739177ab [2021-10-28 09:31:42,893 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:31:42,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-10-28 09:31:42,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/data/75756aef2/0bdb60a8ad134c79afbbe95ea151aec1/FLAG6739177ab [2021-10-28 09:31:43,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/data/75756aef2/0bdb60a8ad134c79afbbe95ea151aec1 [2021-10-28 09:31:43,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:31:43,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:31:43,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:43,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:31:43,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:31:43,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:43,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75246268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43, skipping insertion in model container [2021-10-28 09:31:43,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:43,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:31:43,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:31:43,718 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_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[13030,13043] [2021-10-28 09:31:43,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:43,785 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:31:43,874 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_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c[13030,13043] [2021-10-28 09:31:43,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:31:43,920 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:31:43,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43 WrapperNode [2021-10-28 09:31:43,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:31:43,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:43,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:31:43,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:31:43,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:43,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:31:44,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:31:44,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:31:44,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:31:44,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:31:44,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:31:44,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:31:44,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:31:44,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (1/1) ... [2021-10-28 09:31:44,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:31:44,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:31:44,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:31:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:31:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:31:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:31:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:31:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:31:45,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:31:45,148 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-28 09:31:45,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:45 BoogieIcfgContainer [2021-10-28 09:31:45,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:31:45,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:31:45,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:31:45,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:31:45,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:31:43" (1/3) ... [2021-10-28 09:31:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df1f117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:45, skipping insertion in model container [2021-10-28 09:31:45,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:31:43" (2/3) ... [2021-10-28 09:31:45,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df1f117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:31:45, skipping insertion in model container [2021-10-28 09:31:45,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:45" (3/3) ... [2021-10-28 09:31:45,162 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-10-28 09:31:45,170 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:31:45,171 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:31:45,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:31:45,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:31:45,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:31:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:31:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:31:45,281 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:45,282 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:45,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:45,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:45,289 INFO L85 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-28 09:31:45,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:45,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805317229] [2021-10-28 09:31:45,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:45,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:45,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:45,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805317229] [2021-10-28 09:31:45,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805317229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:45,637 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:45,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:31:45,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437866430] [2021-10-28 09:31:45,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:31:45,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:45,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:31:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:31:45,660 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 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) [2021-10-28 09:31:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:45,684 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-28 09:31:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:31:45,685 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 [2021-10-28 09:31:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:45,694 INFO L225 Difference]: With dead ends: 108 [2021-10-28 09:31:45,695 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 09:31:45,698 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:31:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 09:31:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 09:31:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:31:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-28 09:31:45,736 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-28 09:31:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:45,737 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-28 09:31:45,737 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) [2021-10-28 09:31:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-28 09:31:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:31:45,738 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:45,738 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:31:45,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:31:45,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:45,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:45,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-28 09:31:45,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:45,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238826063] [2021-10-28 09:31:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:45,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:45,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:45,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238826063] [2021-10-28 09:31:45,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238826063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:45,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:45,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:31:45,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580636867] [2021-10-28 09:31:45,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:31:45,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:45,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:31:45,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:45,841 INFO L87 Difference]: Start difference. First operand 53 states and 72 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) [2021-10-28 09:31:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:45,849 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-28 09:31:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:31:45,850 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 [2021-10-28 09:31:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:45,850 INFO L225 Difference]: With dead ends: 53 [2021-10-28 09:31:45,851 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 09:31:45,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:31:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 09:31:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-28 09:31:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:31:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-28 09:31:45,856 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-28 09:31:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:45,857 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-28 09:31:45,857 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) [2021-10-28 09:31:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-28 09:31:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:31:45,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:45,858 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] [2021-10-28 09:31:45,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:31:45,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:45,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-28 09:31:45,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:45,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631275659] [2021-10-28 09:31:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:45,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:45,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:45,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631275659] [2021-10-28 09:31:45,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631275659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:45,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:45,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:31:45,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899188924] [2021-10-28 09:31:45,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:31:45,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:31:45,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:31:45,964 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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) [2021-10-28 09:31:46,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:46,076 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-28 09:31:46,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:31:46,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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 [2021-10-28 09:31:46,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:46,080 INFO L225 Difference]: With dead ends: 109 [2021-10-28 09:31:46,081 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 09:31:46,082 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:31:46,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 09:31:46,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-28 09:31:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:31:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-28 09:31:46,098 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-28 09:31:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:46,098 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-28 09:31:46,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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) [2021-10-28 09:31:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-28 09:31:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 09:31:46,100 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:31:46,100 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] [2021-10-28 09:31:46,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:31:46,100 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:31:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:31:46,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2021-10-28 09:31:46,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:31:46,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190873564] [2021-10-28 09:31:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:31:46,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:31:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:31:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:31:46,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:31:46,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190873564] [2021-10-28 09:31:46,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190873564] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:31:46,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:31:46,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:31:46,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432650374] [2021-10-28 09:31:46,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:31:46,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:31:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:31:46,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:31:46,233 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-28 09:31:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:31:46,284 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-28 09:31:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:31:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 [2021-10-28 09:31:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:31:46,285 INFO L225 Difference]: With dead ends: 130 [2021-10-28 09:31:46,285 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:31:46,286 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:31:46,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:31:46,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:31:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:31:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:31:46,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 09:31:46,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:31:46,288 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:31:46,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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) [2021-10-28 09:31:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:31:46,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:31:46,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:31:46,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:31:46,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:31:46,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:31:46,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:31:46,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:31:46,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,474 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:31:46,474 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-28 09:31:46,474 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 659 665) no Hoare annotation was computed. [2021-10-28 09:31:46,475 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-28 09:31:46,475 INFO L857 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2021-10-28 09:31:46,475 INFO L857 garLoopResultBuilder]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2021-10-28 09:31:46,475 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-10-28 09:31:46,476 INFO L853 garLoopResultBuilder]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,476 INFO L853 garLoopResultBuilder]: At program point L666(lines 666 672) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,476 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 666 672) the Hoare annotation is: false [2021-10-28 09:31:46,476 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 666 672) the Hoare annotation is: false [2021-10-28 09:31:46,477 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-10-28 09:31:46,477 INFO L860 garLoopResultBuilder]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2021-10-28 09:31:46,477 INFO L853 garLoopResultBuilder]: At program point L833(lines 786 834) the Hoare annotation is: false [2021-10-28 09:31:46,481 INFO L853 garLoopResultBuilder]: At program point L503(lines 498 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,482 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 498 506) the Hoare annotation is: false [2021-10-28 09:31:46,482 INFO L853 garLoopResultBuilder]: At program point L503-2(lines 498 506) the Hoare annotation is: false [2021-10-28 09:31:46,483 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 863) no Hoare annotation was computed. [2021-10-28 09:31:46,483 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 828) no Hoare annotation was computed. [2021-10-28 09:31:46,483 INFO L853 garLoopResultBuilder]: At program point L850-1(lines 1 866) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,483 INFO L857 garLoopResultBuilder]: For program point L850-2(lines 850 863) no Hoare annotation was computed. [2021-10-28 09:31:46,484 INFO L853 garLoopResultBuilder]: At program point L850-3(lines 1 866) the Hoare annotation is: false [2021-10-28 09:31:46,484 INFO L857 garLoopResultBuilder]: For program point L850-4(lines 850 863) no Hoare annotation was computed. [2021-10-28 09:31:46,485 INFO L853 garLoopResultBuilder]: At program point L850-5(lines 1 866) the Hoare annotation is: false [2021-10-28 09:31:46,485 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:31:46,485 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 866) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:31:46,485 INFO L853 garLoopResultBuilder]: At program point L736(lines 731 739) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 09:31:46,486 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 731 739) the Hoare annotation is: false [2021-10-28 09:31:46,486 INFO L853 garLoopResultBuilder]: At program point L736-2(lines 731 739) the Hoare annotation is: false [2021-10-28 09:31:46,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,490 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-10-28 09:31:46,491 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:31:46,491 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 860) no Hoare annotation was computed. [2021-10-28 09:31:46,493 INFO L857 garLoopResultBuilder]: For program point L788(lines 787 832) no Hoare annotation was computed. [2021-10-28 09:31:46,495 INFO L857 garLoopResultBuilder]: For program point L854-2(lines 854 860) no Hoare annotation was computed. [2021-10-28 09:31:46,497 INFO L857 garLoopResultBuilder]: For program point L854-4(lines 854 860) no Hoare annotation was computed. [2021-10-28 09:31:46,497 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2021-10-28 09:31:46,497 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-28 09:31:46,498 INFO L857 garLoopResultBuilder]: For program point L823-2(lines 659 665) no Hoare annotation was computed. [2021-10-28 09:31:46,502 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-28 09:31:46,503 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,503 INFO L853 garLoopResultBuilder]: At program point L659(lines 658 677) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:31:46,503 INFO L857 garLoopResultBuilder]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2021-10-28 09:31:46,503 INFO L853 garLoopResultBuilder]: At program point L659-2(lines 658 677) the Hoare annotation is: false [2021-10-28 09:31:46,503 INFO L853 garLoopResultBuilder]: At program point L659-3(lines 658 677) the Hoare annotation is: false [2021-10-28 09:31:46,504 INFO L860 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-10-28 09:31:46,504 INFO L853 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:31:46,504 INFO L857 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,504 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:31:46,504 INFO L857 garLoopResultBuilder]: For program point L544-1(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,504 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-28 09:31:46,505 INFO L857 garLoopResultBuilder]: For program point L544-2(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,505 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-10-28 09:31:46,505 INFO L853 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: false [2021-10-28 09:31:46,505 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:31:46,505 INFO L857 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-10-28 09:31:46,509 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 09:31:46,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:31:46,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:31:46 BoogieIcfgContainer [2021-10-28 09:31:46,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:31:46,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:31:46,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:31:46,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:31:46,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:31:45" (3/4) ... [2021-10-28 09:31:46,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:31:46,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:31:46,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:31:46,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:31:46,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:31:46,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:31:46,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:31:46,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:31:46,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 09:31:46,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:31:46,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:31:46,640 INFO L168 Benchmark]: Toolchain (without parser) took 3417.63 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 66.1 MB in the beginning and 41.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,640 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:31:46,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 100.7 MB. Free memory was 65.9 MB in the beginning and 68.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.27 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 65.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,641 INFO L168 Benchmark]: Boogie Preprocessor took 49.21 ms. Allocated memory is still 100.7 MB. Free memory was 65.4 MB in the beginning and 63.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,642 INFO L168 Benchmark]: RCFGBuilder took 1087.42 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,642 INFO L168 Benchmark]: TraceAbstraction took 1378.58 ms. Allocated memory is still 127.9 MB. Free memory was 81.6 MB in the beginning and 46.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,642 INFO L168 Benchmark]: Witness Printer took 104.99 ms. Allocated memory is still 127.9 MB. Free memory was 46.5 MB in the beginning and 41.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:31:46,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 100.7 MB. Free memory was 65.9 MB in the beginning and 68.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.27 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 65.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.21 ms. Allocated memory is still 100.7 MB. Free memory was 65.4 MB in the beginning and 63.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.42 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1378.58 ms. Allocated memory is still 127.9 MB. Free memory was 81.6 MB in the beginning and 46.5 MB in the end (delta: 35.2 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * Witness Printer took 104.99 ms. Allocated memory is still 127.9 MB. Free memory was 46.5 MB in the beginning and 41.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 544]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:31:46,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0811be8-f6bb-47ac-9bd3-7132a069f0d2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...