./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro --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 e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:47:13,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:47:13,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:47:13,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:47:13,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:47:13,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:47:13,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:47:13,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:47:13,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:47:13,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:47:13,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:47:13,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:47:13,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:47:13,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:47:13,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:47:13,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:47:13,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:47:13,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:47:13,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:47:13,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:47:13,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:47:13,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:47:13,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:47:13,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:47:13,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:47:13,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:47:13,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:47:13,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:47:13,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:47:13,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:47:13,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:47:13,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:47:13,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:47:13,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:47:13,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:47:13,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:47:13,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:47:13,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:47:13,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:47:13,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:47:13,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:47:13,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:47:13,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:47:13,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:47:13,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:47:13,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:47:13,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:47:13,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:47:13,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:47:13,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:47:13,213 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:47:13,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:47:13,214 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:47:13,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:47:13,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:47:13,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:47:13,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:47:13,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:47:13,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:47:13,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:47:13,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:47:13,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:47:13,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:47:13,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:47:13,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:47:13,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:47:13,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:47:13,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:47:13,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:47:13,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:47:13,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:47:13,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:47:13,219 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:47:13,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:47:13,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:47:13,220 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_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 [2022-11-18 18:47:13,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:47:13,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:47:13,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:47:13,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:47:13,529 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:47:13,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2022-11-18 18:47:13,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/data/81b24b81d/c94f9c0d6acf4ecaa027ec7976c32746/FLAGc43deacf7 [2022-11-18 18:47:14,146 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:47:14,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2022-11-18 18:47:14,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/data/81b24b81d/c94f9c0d6acf4ecaa027ec7976c32746/FLAGc43deacf7 [2022-11-18 18:47:14,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/data/81b24b81d/c94f9c0d6acf4ecaa027ec7976c32746 [2022-11-18 18:47:14,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:47:14,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:47:14,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:47:14,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:47:14,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:47:14,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:14" (1/1) ... [2022-11-18 18:47:14,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e544ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:14, skipping insertion in model container [2022-11-18 18:47:14,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:47:14" (1/1) ... [2022-11-18 18:47:14,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:47:14,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:47:14,885 WARN L234 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_dac5b628-d345-432f-abae-5cc3d534f57d/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2022-11-18 18:47:15,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:47:15,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:47:15,058 WARN L234 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_dac5b628-d345-432f-abae-5cc3d534f57d/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c[8087,8100] [2022-11-18 18:47:15,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:47:15,129 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:47:15,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15 WrapperNode [2022-11-18 18:47:15,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:47:15,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:47:15,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:47:15,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:47:15,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,204 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 192 [2022-11-18 18:47:15,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:47:15,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:47:15,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:47:15,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:47:15,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:47:15,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:47:15,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:47:15,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:47:15,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (1/1) ... [2022-11-18 18:47:15,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:47:15,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:47:15,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:47:15,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:47:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:47:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 18:47:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 18:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 18:47:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 18:47:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 18:47:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 18:47:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 18:47:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 18:47:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 18:47:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 18:47:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 18:47:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 18:47:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 18:47:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 18:47:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:47:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 18:47:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 18:47:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:47:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:47:15,467 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:47:15,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:47:15,832 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:47:15,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:47:15,842 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:47:15,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:15 BoogieIcfgContainer [2022-11-18 18:47:15,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:47:15,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:47:15,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:47:15,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:47:15,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:47:14" (1/3) ... [2022-11-18 18:47:15,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e34db92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:47:15, skipping insertion in model container [2022-11-18 18:47:15,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:47:15" (2/3) ... [2022-11-18 18:47:15,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e34db92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:47:15, skipping insertion in model container [2022-11-18 18:47:15,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:15" (3/3) ... [2022-11-18 18:47:15,858 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2022-11-18 18:47:15,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:47:15,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:47:15,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:47:16,012 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1682e30f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:47:16,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:47:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-18 18:47:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:47:16,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:16,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:16,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:47:16,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:16,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1235216044, now seen corresponding path program 1 times [2022-11-18 18:47:16,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:16,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541481155] [2022-11-18 18:47:16,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:16,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:47:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:16,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:16,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541481155] [2022-11-18 18:47:16,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541481155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:16,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:16,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:47:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954407930] [2022-11-18 18:47:16,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:16,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:47:16,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:16,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:47:16,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:47:16,365 INFO L87 Difference]: Start difference. First operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:16,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:16,405 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2022-11-18 18:47:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:47:16,412 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 18:47:16,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:16,422 INFO L225 Difference]: With dead ends: 178 [2022-11-18 18:47:16,422 INFO L226 Difference]: Without dead ends: 84 [2022-11-18 18:47:16,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:47:16,430 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:16,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:47:16,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-18 18:47:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-18 18:47:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-18 18:47:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-18 18:47:16,482 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2022-11-18 18:47:16,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:16,482 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-18 18:47:16,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-18 18:47:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:47:16,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:16,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:16,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:47:16,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:47:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:16,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1153440833, now seen corresponding path program 1 times [2022-11-18 18:47:16,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:16,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324447078] [2022-11-18 18:47:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:16,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 18:47:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:16,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324447078] [2022-11-18 18:47:16,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324447078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:16,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:16,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:47:16,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873933428] [2022-11-18 18:47:16,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:16,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:47:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:16,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:47:16,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:16,756 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:16,796 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-11-18 18:47:16,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:47:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-18 18:47:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:16,805 INFO L225 Difference]: With dead ends: 130 [2022-11-18 18:47:16,806 INFO L226 Difference]: Without dead ends: 75 [2022-11-18 18:47:16,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:47:16,808 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:16,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:47:16,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-18 18:47:16,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-18 18:47:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:47:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-11-18 18:47:16,840 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 26 [2022-11-18 18:47:16,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:16,841 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-11-18 18:47:16,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-11-18 18:47:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 18:47:16,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:16,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:16,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:47:16,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:47:16,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:16,847 INFO L85 PathProgramCache]: Analyzing trace with hash -726352362, now seen corresponding path program 1 times [2022-11-18 18:47:16,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:16,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969436896] [2022-11-18 18:47:16,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:16,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:47:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:17,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:17,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969436896] [2022-11-18 18:47:17,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969436896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:17,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:17,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:47:17,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330666131] [2022-11-18 18:47:17,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:17,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:47:17,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:47:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:47:17,099 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:17,504 INFO L93 Difference]: Finished difference Result 254 states and 335 transitions. [2022-11-18 18:47:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:47:17,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-18 18:47:17,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:17,508 INFO L225 Difference]: With dead ends: 254 [2022-11-18 18:47:17,508 INFO L226 Difference]: Without dead ends: 186 [2022-11-18 18:47:17,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:47:17,517 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 257 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:17,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 436 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 18:47:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-11-18 18:47:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 180. [2022-11-18 18:47:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 131 states have (on average 1.3587786259541985) internal successors, (178), 149 states have internal predecessors, (178), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2022-11-18 18:47:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 237 transitions. [2022-11-18 18:47:17,560 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 237 transitions. Word has length 30 [2022-11-18 18:47:17,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:17,561 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 237 transitions. [2022-11-18 18:47:17,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:17,561 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 237 transitions. [2022-11-18 18:47:17,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 18:47:17,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:17,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:17,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:47:17,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:47:17,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash -456211316, now seen corresponding path program 1 times [2022-11-18 18:47:17,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:17,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158998956] [2022-11-18 18:47:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 18:47:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:47:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:47:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:47:17,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158998956] [2022-11-18 18:47:17,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158998956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:47:17,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:47:17,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:47:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645690518] [2022-11-18 18:47:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:47:17,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:47:17,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:47:17,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:47:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:47:17,873 INFO L87 Difference]: Start difference. First operand 180 states and 237 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:47:18,000 INFO L93 Difference]: Finished difference Result 518 states and 702 transitions. [2022-11-18 18:47:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:47:18,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-18 18:47:18,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:47:18,019 INFO L225 Difference]: With dead ends: 518 [2022-11-18 18:47:18,019 INFO L226 Difference]: Without dead ends: 345 [2022-11-18 18:47:18,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:47:18,022 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 67 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:47:18,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 399 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:47:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-11-18 18:47:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 336. [2022-11-18 18:47:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 242 states have (on average 1.3388429752066116) internal successors, (324), 274 states have internal predecessors, (324), 58 states have call successors, (58), 38 states have call predecessors, (58), 35 states have return successors, (64), 35 states have call predecessors, (64), 58 states have call successors, (64) [2022-11-18 18:47:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 446 transitions. [2022-11-18 18:47:18,102 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 446 transitions. Word has length 34 [2022-11-18 18:47:18,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:47:18,102 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 446 transitions. [2022-11-18 18:47:18,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:47:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 446 transitions. [2022-11-18 18:47:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 18:47:18,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:47:18,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:47:18,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:47:18,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:47:18,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:47:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2022493554, now seen corresponding path program 1 times [2022-11-18 18:47:18,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:47:18,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079465765] [2022-11-18 18:47:18,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:47:18,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:47:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:47:18,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:47:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:47:18,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:47:18,176 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:47:18,177 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:47:18,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:47:18,183 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 18:47:18,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:47:18,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:47:18 BoogieIcfgContainer [2022-11-18 18:47:18,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:47:18,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:47:18,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:47:18,223 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:47:18,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:47:15" (3/4) ... [2022-11-18 18:47:18,226 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 18:47:18,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:47:18,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:47:18,286 INFO L158 Benchmark]: Toolchain (without parser) took 3823.08ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 81.8MB in the beginning and 54.6MB in the end (delta: 27.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,287 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:47:18,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.75ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.05ms. Allocated memory is still 113.2MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,288 INFO L158 Benchmark]: Boogie Preprocessor took 54.01ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,288 INFO L158 Benchmark]: RCFGBuilder took 585.57ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 60.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,289 INFO L158 Benchmark]: TraceAbstraction took 2373.90ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,289 INFO L158 Benchmark]: Witness Printer took 62.85ms. Allocated memory is still 138.4MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:47:18,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.75ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.05ms. Allocated memory is still 113.2MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.01ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.57ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 60.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2373.90ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 62.85ms. Allocated memory is still 138.4MB. Free memory was 58.8MB in the beginning and 54.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 551]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L58] int methaneLevelCritical = 0; [L187] int pumpRunning = 0; [L57] int waterLevel = 1; [L188] int systemActive = 1; [L448] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; [L529] FCALL select_helpers() [L530] FCALL select_features() [L531] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L531] RET, EXPR valid_product() [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L535] FCALL setup() [L536] CALL runTest() [L515] CALL test() [L382] int splverifierCounter ; [L383] int tmp ; [L384] int tmp___0 ; [L385] int tmp___1 ; [L386] int tmp___2 ; [L389] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L391] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L393] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L399] tmp = __VERIFIER_nondet_int() [L401] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L403] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L403] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L409] tmp___0 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L419] tmp___2 = __VERIFIER_nondet_int() [L421] COND FALSE !(\read(tmp___2)) [L425] tmp___1 = __VERIFIER_nondet_int() [L427] COND TRUE \read(tmp___1) [L429] CALL stopSystem() [L368] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L375] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L429] RET stopSystem() [L436] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L194] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L201] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L209] CALL __utac_acc__Specification3_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L155] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L161] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L161] RET, EXPR getWaterLevel() [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L165] CALL, EXPR isPumpRunning() [L301] int retValue_acc ; [L304] retValue_acc = pumpRunning [L305] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L165] RET, EXPR isPumpRunning() [L165] tmp___1 = isPumpRunning() [L167] COND FALSE !(\read(tmp___1)) [L171] CALL __automaton_fail() [L551] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 1124 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 682 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 442 mSDtfsCounter, 137 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-18 18:47:18,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac5b628-d345-432f-abae-5cc3d534f57d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE