./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:50:18,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:50:18,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:50:18,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:50:18,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:50:18,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:50:18,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:50:18,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:50:18,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:50:18,367 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:50:18,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:50:18,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:50:18,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:50:18,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:50:18,370 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:50:18,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:50:18,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:50:18,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:50:18,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:50:18,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:50:18,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:50:18,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:50:18,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:50:18,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:50:18,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:50:18,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:50:18,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:50:18,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:50:18,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:50:18,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:50:18,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:50:18,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:18,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:50:18,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:50:18,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:50:18,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:50:18,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:50:18,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:50:18,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:50:18,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:50:18,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:50:18,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:50:18,382 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 [2023-11-26 11:50:18,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:50:18,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:50:18,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:50:18,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:50:18,779 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:50:18,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2023-11-26 11:50:21,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:22,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:22,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2023-11-26 11:50:22,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/data/a0b0a5624/96fe4d92ab924b6ebda09033d7286ab2/FLAG2f8be7232 [2023-11-26 11:50:22,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/data/a0b0a5624/96fe4d92ab924b6ebda09033d7286ab2 [2023-11-26 11:50:22,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:22,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:22,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:22,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:22,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:22,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d2b6f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22, skipping insertion in model container [2023-11-26 11:50:22,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:22,489 WARN L240 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_76af45df-82cf-44d6-ae95-123a8c4b4493/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2023-11-26 11:50:22,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:22,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:22,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-26 11:50:22,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2023-11-26 11:50:22,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] [2023-11-26 11:50:22,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [272] [2023-11-26 11:50:22,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [383] [2023-11-26 11:50:22,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [448] [2023-11-26 11:50:22,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [475] [2023-11-26 11:50:22,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] [2023-11-26 11:50:22,647 WARN L240 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_76af45df-82cf-44d6-ae95-123a8c4b4493/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c[7046,7059] [2023-11-26 11:50:22,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:22,723 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:22,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22 WrapperNode [2023-11-26 11:50:22,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:22,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:22,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:22,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:22,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,771 INFO L138 Inliner]: procedures = 49, calls = 88, calls flagged for inlining = 16, calls inlined = 13, statements flattened = 127 [2023-11-26 11:50:22,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:22,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:22,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:22,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:22,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,817 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:50:22,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:22,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:22,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:22,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:22,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (1/1) ... [2023-11-26 11:50:22,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:22,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:22,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:22,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-26 11:50:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-26 11:50:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 11:50:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 11:50:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 11:50:22,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 11:50:22,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 11:50:22,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 11:50:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:50:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 11:50:22,935 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 11:50:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:23,054 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:23,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:23,289 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:23,371 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:23,371 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:50:23,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:23 BoogieIcfgContainer [2023-11-26 11:50:23,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:23,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:23,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:23,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:23,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:22" (1/3) ... [2023-11-26 11:50:23,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6feefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:23, skipping insertion in model container [2023-11-26 11:50:23,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:22" (2/3) ... [2023-11-26 11:50:23,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6feefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:23, skipping insertion in model container [2023-11-26 11:50:23,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:23" (3/3) ... [2023-11-26 11:50:23,406 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2023-11-26 11:50:23,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:23,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:50:23,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:23,520 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=LoopHeads, 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;@6cfbfd01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:23,520 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:50:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 37 states have internal predecessors, (52), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 11:50:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:50:23,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:23,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:23,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:23,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:23,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1741816609, now seen corresponding path program 1 times [2023-11-26 11:50:23,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:23,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47154285] [2023-11-26 11:50:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:23,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:50:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:23,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:23,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47154285] [2023-11-26 11:50:23,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47154285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:23,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:23,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691878409] [2023-11-26 11:50:23,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:23,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:50:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:23,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:50:23,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:50:23,840 INFO L87 Difference]: Start difference. First operand has 47 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 37 states have internal predecessors, (52), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-26 11:50:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:23,927 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2023-11-26 11:50:23,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:50:23,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-11-26 11:50:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:23,943 INFO L225 Difference]: With dead ends: 92 [2023-11-26 11:50:23,944 INFO L226 Difference]: Without dead ends: 42 [2023-11-26 11:50:23,950 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 [2023-11-26 11:50:23,956 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:23,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:50:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-26 11:50:24,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-26 11:50:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.4) internal successors, (42), 33 states have internal predecessors, (42), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:50:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2023-11-26 11:50:24,017 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 16 [2023-11-26 11:50:24,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:24,018 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2023-11-26 11:50:24,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-26 11:50:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-26 11:50:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:50:24,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:24,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:24,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:50:24,023 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:24,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2140736605, now seen corresponding path program 1 times [2023-11-26 11:50:24,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530902212] [2023-11-26 11:50:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:24,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:50:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:24,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:24,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530902212] [2023-11-26 11:50:24,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530902212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:24,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:24,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:50:24,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809522742] [2023-11-26 11:50:24,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:24,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:24,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:24,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:24,157 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-26 11:50:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:24,183 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2023-11-26 11:50:24,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:24,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 17 [2023-11-26 11:50:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:24,185 INFO L225 Difference]: With dead ends: 57 [2023-11-26 11:50:24,186 INFO L226 Difference]: Without dead ends: 34 [2023-11-26 11:50:24,186 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 [2023-11-26 11:50:24,188 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:24,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 60 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:50:24,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-26 11:50:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-26 11:50:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.44) internal successors, (36), 28 states have internal predecessors, (36), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 11:50:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2023-11-26 11:50:24,198 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 17 [2023-11-26 11:50:24,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:24,199 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2023-11-26 11:50:24,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-26 11:50:24,199 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-26 11:50:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 11:50:24,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:24,201 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] [2023-11-26 11:50:24,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:50:24,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:24,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:24,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1535184307, now seen corresponding path program 1 times [2023-11-26 11:50:24,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:24,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486938063] [2023-11-26 11:50:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:24,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:50:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:24,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:24,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486938063] [2023-11-26 11:50:24,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486938063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:24,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:24,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:50:24,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534166709] [2023-11-26 11:50:24,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:24,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:24,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:24,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:24,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:24,444 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-26 11:50:24,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:24,627 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2023-11-26 11:50:24,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:50:24,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 20 [2023-11-26 11:50:24,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:24,636 INFO L225 Difference]: With dead ends: 96 [2023-11-26 11:50:24,636 INFO L226 Difference]: Without dead ends: 64 [2023-11-26 11:50:24,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:50:24,645 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 25 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:24,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 166 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:50:24,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-26 11:50:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2023-11-26 11:50:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 51 states have internal predecessors, (65), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-26 11:50:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2023-11-26 11:50:24,666 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 20 [2023-11-26 11:50:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:24,667 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2023-11-26 11:50:24,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-26 11:50:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-26 11:50:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 11:50:24,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:24,675 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] [2023-11-26 11:50:24,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:50:24,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:24,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:24,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1389375759, now seen corresponding path program 1 times [2023-11-26 11:50:24,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:24,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958167190] [2023-11-26 11:50:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:50:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:50:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:24,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:24,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958167190] [2023-11-26 11:50:24,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958167190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:24,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:24,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:24,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453645627] [2023-11-26 11:50:24,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:24,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:50:24,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:24,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:50:24,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:50:24,891 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:50:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:24,994 INFO L93 Difference]: Finished difference Result 119 states and 158 transitions. [2023-11-26 11:50:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:50:24,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-26 11:50:24,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:24,996 INFO L225 Difference]: With dead ends: 119 [2023-11-26 11:50:24,996 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:50:24,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:50:24,999 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 33 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:24,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:50:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:50:25,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:50:25,001 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) [2023-11-26 11:50:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:50:25,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-26 11:50:25,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:25,002 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:50:25,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:50:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:50:25,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:50:25,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:50:25,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:50:25,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:50:25,182 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2023-11-26 11:50:25,182 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 184 195) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2023-11-26 11:50:25,183 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2023-11-26 11:50:25,183 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 196 204) the Hoare annotation is: true [2023-11-26 11:50:25,183 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 196 204) no Hoare annotation was computed. [2023-11-26 11:50:25,183 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 303) the Hoare annotation is: true [2023-11-26 11:50:25,183 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point L164-2(lines 160 171) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point L284-1(lines 283 302) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 280 303) no Hoare annotation was computed. [2023-11-26 11:50:25,184 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2023-11-26 11:50:25,185 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 480) no Hoare annotation was computed. [2023-11-26 11:50:25,185 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 450 474) no Hoare annotation was computed. [2023-11-26 11:50:25,185 INFO L902 garLoopResultBuilder]: At program point L456(line 456) the Hoare annotation is: true [2023-11-26 11:50:25,185 INFO L899 garLoopResultBuilder]: For program point L456-1(line 456) no Hoare annotation was computed. [2023-11-26 11:50:25,185 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2023-11-26 11:50:25,186 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-26 11:50:25,186 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-26 11:50:25,186 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-26 11:50:25,186 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-26 11:50:25,186 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-26 11:50:25,186 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-11-26 11:50:25,187 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-26 11:50:25,187 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-26 11:50:25,187 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-26 11:50:25,187 INFO L895 garLoopResultBuilder]: At program point L440(lines 393 441) the Hoare annotation is: false [2023-11-26 11:50:25,187 INFO L899 garLoopResultBuilder]: For program point L395(lines 394 439) no Hoare annotation was computed. [2023-11-26 11:50:25,187 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 435) no Hoare annotation was computed. [2023-11-26 11:50:25,188 INFO L895 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:50:25,188 INFO L895 garLoopResultBuilder]: At program point L437(lines 394 439) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:50:25,188 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2023-11-26 11:50:25,188 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2023-11-26 11:50:25,188 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-11-26 11:50:25,189 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-11-26 11:50:25,189 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:50:25,189 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2023-11-26 11:50:25,189 INFO L895 garLoopResultBuilder]: At program point L430-2(lines 424 435) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:50:25,189 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:50:25,189 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2023-11-26 11:50:25,190 INFO L899 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2023-11-26 11:50:25,190 INFO L899 garLoopResultBuilder]: For program point L443(lines 384 447) no Hoare annotation was computed. [2023-11-26 11:50:25,190 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:50:25,190 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2023-11-26 11:50:25,190 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2023-11-26 11:50:25,190 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 183) the Hoare annotation is: true [2023-11-26 11:50:25,193 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:50:25,197 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:50:25,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:50:25 BoogieIcfgContainer [2023-11-26 11:50:25,217 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:50:25,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:25,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:25,224 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:25,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:23" (3/4) ... [2023-11-26 11:50:25,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:50:25,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 11:50:25,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-26 11:50:25,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 11:50:25,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 11:50:25,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 11:50:25,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-26 11:50:25,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 11:50:25,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:50:25,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:50:25,249 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:50:25,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:50:25,376 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:50:25,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:25,377 INFO L158 Benchmark]: Toolchain (without parser) took 3206.87ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 91.5MB in the beginning and 174.7MB in the end (delta: -83.2MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,378 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 138.4MB. Free memory was 109.0MB in the beginning and 108.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:25,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.07ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 138.4MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,379 INFO L158 Benchmark]: Boogie Preprocessor took 62.82ms. Allocated memory is still 138.4MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,379 INFO L158 Benchmark]: RCFGBuilder took 537.26ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 50.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,380 INFO L158 Benchmark]: TraceAbstraction took 1817.93ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 107.7MB in the beginning and 96.3MB in the end (delta: 11.3MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,380 INFO L158 Benchmark]: Witness Printer took 157.30ms. Allocated memory is still 203.4MB. Free memory was 96.3MB in the beginning and 174.7MB in the end (delta: -78.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-26 11:50:25,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 138.4MB. Free memory was 109.0MB in the beginning and 108.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.07ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 72.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 138.4MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.82ms. Allocated memory is still 138.4MB. Free memory was 70.5MB in the beginning and 68.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.26ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 50.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1817.93ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 107.7MB in the beginning and 96.3MB in the end (delta: 11.3MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * Witness Printer took 157.30ms. Allocated memory is still 203.4MB. Free memory was 96.3MB in the beginning and 174.7MB in the end (delta: -78.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [237] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [272] - GenericResultAtLocation [Line: 383]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [383] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [448] - GenericResultAtLocation [Line: 475]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [475] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [484] * 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: 480]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 142 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 52 PreInvPairs, 62 NumberOfFragments, 45 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 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 1 specifications checked. All of them hold - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-26 11:50:25,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76af45df-82cf-44d6-ae95-123a8c4b4493/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE