./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu --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 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:01,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:01,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:34:01,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:01,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:01,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:01,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:01,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:01,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:01,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:01,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:01,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:01,216 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:01,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:01,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:01,218 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:01,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:01,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:01,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:01,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:01,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:01,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:01,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:01,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:01,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:01,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:01,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:01,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:01,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:01,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:01,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:01,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:01,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:01,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:01,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:01,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:01,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:01,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:01,229 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:01,229 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_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 [2023-11-19 07:34:01,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:01,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:01,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:01,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:01,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:01,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2023-11-19 07:34:04,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:04,995 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:04,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2023-11-19 07:34:05,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/data/d4496c3d4/93d639f80b8c4977931c5b967fe69ced/FLAG56800c2e1 [2023-11-19 07:34:05,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/data/d4496c3d4/93d639f80b8c4977931c5b967fe69ced [2023-11-19 07:34:05,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:05,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:05,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:05,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:05,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:05,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee2009d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05, skipping insertion in model container [2023-11-19 07:34:05,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,096 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:05,369 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_922aa98d-9d45-4153-a47e-a9a868e99274/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[17319,17332] [2023-11-19 07:34:05,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:05,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:05,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-19 07:34:05,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [181] [2023-11-19 07:34:05,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [251] [2023-11-19 07:34:05,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] [2023-11-19 07:34:05,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] [2023-11-19 07:34:05,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] [2023-11-19 07:34:05,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [834] [2023-11-19 07:34:05,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874] [2023-11-19 07:34:05,460 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_922aa98d-9d45-4153-a47e-a9a868e99274/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[17319,17332] [2023-11-19 07:34:05,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:05,481 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:05,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05 WrapperNode [2023-11-19 07:34:05,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:05,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:05,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:05,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:05,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,534 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 142 [2023-11-19 07:34:05,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:05,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:05,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:05,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:05,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:05,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:05,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:05,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:05,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (1/1) ... [2023-11-19 07:34:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:05,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:05,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:05,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:34:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:34:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:34:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:34:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:34:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:34:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:34:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:34:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:34:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:34:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:05,770 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:05,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:06,120 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:06,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:06,132 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:34:06,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:06 BoogieIcfgContainer [2023-11-19 07:34:06,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:06,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:34:06,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:34:06,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:34:06,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:05" (1/3) ... [2023-11-19 07:34:06,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba02593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:06, skipping insertion in model container [2023-11-19 07:34:06,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:05" (2/3) ... [2023-11-19 07:34:06,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba02593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:06, skipping insertion in model container [2023-11-19 07:34:06,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:06" (3/3) ... [2023-11-19 07:34:06,153 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2023-11-19 07:34:06,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:34:06,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:34:06,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:34:06,260 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;@460f0468, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:34:06,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:34:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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) [2023-11-19 07:34:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 07:34:06,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:06,279 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] [2023-11-19 07:34:06,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:06,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2023-11-19 07:34:06,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:06,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291368988] [2023-11-19 07:34:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:34:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:06,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:06,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291368988] [2023-11-19 07:34:06,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291368988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:06,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:06,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:34:06,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117892591] [2023-11-19 07:34:06,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:06,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:34:06,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:06,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:34:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:34:06,589 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 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 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) [2023-11-19 07:34:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:06,621 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2023-11-19 07:34:06,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:34:06,623 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 [2023-11-19 07:34:06,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:06,631 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:34:06,631 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 07:34:06,634 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 [2023-11-19 07:34:06,638 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2023-11-19 07:34:06,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:06,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 07:34:06,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 07:34:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 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) [2023-11-19 07:34:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2023-11-19 07:34:06,681 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2023-11-19 07:34:06,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:06,682 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2023-11-19 07:34:06,682 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) [2023-11-19 07:34:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2023-11-19 07:34:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 07:34:06,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:06,685 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] [2023-11-19 07:34:06,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:34:06,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:06,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:06,687 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2023-11-19 07:34:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:06,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66697051] [2023-11-19 07:34:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:34:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:06,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:06,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66697051] [2023-11-19 07:34:06,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66697051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:06,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:06,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:34:06,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657150796] [2023-11-19 07:34:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:06,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:34:06,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:06,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:06,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:06,835 INFO L87 Difference]: Start difference. First operand 59 states and 74 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) [2023-11-19 07:34:06,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:06,849 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2023-11-19 07:34:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:06,850 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 [2023-11-19 07:34:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:06,852 INFO L225 Difference]: With dead ends: 79 [2023-11-19 07:34:06,852 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 07:34:06,853 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 [2023-11-19 07:34:06,855 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 [2023-11-19 07:34:06,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:06,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 07:34:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:34:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 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) [2023-11-19 07:34:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-11-19 07:34:06,867 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2023-11-19 07:34:06,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:06,867 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-11-19 07:34:06,868 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) [2023-11-19 07:34:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-19 07:34:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:34:06,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:06,870 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] [2023-11-19 07:34:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:34:06,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:06,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2023-11-19 07:34:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:06,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170498877] [2023-11-19 07:34:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:34:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:07,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:07,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170498877] [2023-11-19 07:34:07,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170498877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:07,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:07,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:34:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943637843] [2023-11-19 07:34:07,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:07,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:34:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:07,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:34:07,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:07,054 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2023-11-19 07:34:07,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:07,092 INFO L93 Difference]: Finished difference Result 133 states and 170 transitions. [2023-11-19 07:34:07,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:34:07,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 [2023-11-19 07:34:07,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:07,095 INFO L225 Difference]: With dead ends: 133 [2023-11-19 07:34:07,096 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 07:34:07,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:34:07,101 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:07,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 112 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 07:34:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2023-11-19 07:34:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:34:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2023-11-19 07:34:07,124 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2023-11-19 07:34:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:07,124 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2023-11-19 07:34:07,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2023-11-19 07:34:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-11-19 07:34:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:34:07,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:34:07,128 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] [2023-11-19 07:34:07,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:34:07,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:34:07,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:34:07,134 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2023-11-19 07:34:07,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:34:07,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235287636] [2023-11-19 07:34:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:34:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:34:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:34:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:34:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:34:07,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:34:07,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235287636] [2023-11-19 07:34:07,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235287636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:34:07,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:34:07,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:34:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464599542] [2023-11-19 07:34:07,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:34:07,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:34:07,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:34:07,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:34:07,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:34:07,433 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-19 07:34:07,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:34:07,512 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2023-11-19 07:34:07,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:34:07,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2023-11-19 07:34:07,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:34:07,514 INFO L225 Difference]: With dead ends: 161 [2023-11-19 07:34:07,514 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:34:07,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:34:07,517 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:34:07,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 145 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:34:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:34:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:34:07,520 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) [2023-11-19 07:34:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:34:07,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-19 07:34:07,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:34:07,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:34:07,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-19 07:34:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:34:07,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:34:07,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:34:07,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:34:07,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:34:07,678 INFO L899 garLoopResultBuilder]: For program point L283-1(lines 279 290) no Hoare annotation was computed. [2023-11-19 07:34:07,678 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 279 290) the Hoare annotation is: true [2023-11-19 07:34:07,678 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 279 290) no Hoare annotation was computed. [2023-11-19 07:34:07,678 INFO L902 garLoopResultBuilder]: At program point L386-1(lines 386 390) the Hoare annotation is: true [2023-11-19 07:34:07,679 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 372 401) no Hoare annotation was computed. [2023-11-19 07:34:07,679 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2023-11-19 07:34:07,679 INFO L902 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: true [2023-11-19 07:34:07,679 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-19 07:34:07,679 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-11-19 07:34:07,680 INFO L899 garLoopResultBuilder]: For program point L397(lines 372 401) no Hoare annotation was computed. [2023-11-19 07:34:07,680 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 401) the Hoare annotation is: true [2023-11-19 07:34:07,680 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-11-19 07:34:07,680 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2023-11-19 07:34:07,680 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 291 299) the Hoare annotation is: true [2023-11-19 07:34:07,680 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 291 299) no Hoare annotation was computed. [2023-11-19 07:34:07,681 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 291 299) no Hoare annotation was computed. [2023-11-19 07:34:07,681 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 867) no Hoare annotation was computed. [2023-11-19 07:34:07,681 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 870) no Hoare annotation was computed. [2023-11-19 07:34:07,681 INFO L899 garLoopResultBuilder]: For program point L853-1(lines 845 873) no Hoare annotation was computed. [2023-11-19 07:34:07,681 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2023-11-19 07:34:07,681 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-11-19 07:34:07,682 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 875 882) no Hoare annotation was computed. [2023-11-19 07:34:07,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: true [2023-11-19 07:34:07,682 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2023-11-19 07:34:07,682 INFO L899 garLoopResultBuilder]: For program point processEnvironment_returnLabel#1(lines 87 93) no Hoare annotation was computed. [2023-11-19 07:34:07,682 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2023-11-19 07:34:07,682 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-11-19 07:34:07,683 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 255 266) no Hoare annotation was computed. [2023-11-19 07:34:07,683 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2023-11-19 07:34:07,683 INFO L899 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2023-11-19 07:34:07,685 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-11-19 07:34:07,686 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-11-19 07:34:07,686 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 121 129) no Hoare annotation was computed. [2023-11-19 07:34:07,686 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 879) no Hoare annotation was computed. [2023-11-19 07:34:07,687 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 238) no Hoare annotation was computed. [2023-11-19 07:34:07,687 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:34:07,688 INFO L899 garLoopResultBuilder]: For program point L246(lines 185 250) no Hoare annotation was computed. [2023-11-19 07:34:07,688 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 434 444) no Hoare annotation was computed. [2023-11-19 07:34:07,688 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 211) no Hoare annotation was computed. [2023-11-19 07:34:07,689 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2023-11-19 07:34:07,689 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 347 353) no Hoare annotation was computed. [2023-11-19 07:34:07,689 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 445 467) no Hoare annotation was computed. [2023-11-19 07:34:07,689 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 201) no Hoare annotation was computed. [2023-11-19 07:34:07,690 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:34:07,693 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:34:07,694 INFO L895 garLoopResultBuilder]: At program point L243(lines 194 244) the Hoare annotation is: false [2023-11-19 07:34:07,695 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 426 432) no Hoare annotation was computed. [2023-11-19 07:34:07,696 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2023-11-19 07:34:07,697 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 225 238) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:34:07,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:34:07,702 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2023-11-19 07:34:07,702 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2023-11-19 07:34:07,702 INFO L895 garLoopResultBuilder]: At program point L240(lines 195 242) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:34:07,704 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 07:34:07,704 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-11-19 07:34:07,704 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:34:07,704 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 354 360) no Hoare annotation was computed. [2023-11-19 07:34:07,705 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2023-11-19 07:34:07,705 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 462) no Hoare annotation was computed. [2023-11-19 07:34:07,707 INFO L899 garLoopResultBuilder]: For program point L455-2(lines 455 462) no Hoare annotation was computed. [2023-11-19 07:34:07,707 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 102 109) no Hoare annotation was computed. [2023-11-19 07:34:07,708 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 837 844) no Hoare annotation was computed. [2023-11-19 07:34:07,708 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 166 180) no Hoare annotation was computed. [2023-11-19 07:34:07,708 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 361 369) no Hoare annotation was computed. [2023-11-19 07:34:07,708 INFO L899 garLoopResultBuilder]: For program point L196(lines 195 242) no Hoare annotation was computed. [2023-11-19 07:34:07,708 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 267 278) no Hoare annotation was computed. [2023-11-19 07:34:07,709 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 267 278) no Hoare annotation was computed. [2023-11-19 07:34:07,709 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 278) the Hoare annotation is: true [2023-11-19 07:34:07,712 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:34:07,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:34:07,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:34:07 BoogieIcfgContainer [2023-11-19 07:34:07,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:34:07,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:34:07,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:34:07,736 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:34:07,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:06" (3/4) ... [2023-11-19 07:34:07,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:34:07,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:34:07,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:34:07,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:34:07,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:34:07,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:34:07,759 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:34:07,760 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:34:07,760 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:34:07,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:34:07,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:34:07,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:34:07,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:34:07,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:34:07,918 INFO L158 Benchmark]: Toolchain (without parser) took 2884.08ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 89.9MB in the beginning and 93.5MB in the end (delta: -3.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,918 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 119.5MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:07,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.94ms. Allocated memory is still 119.5MB. Free memory was 89.9MB in the beginning and 71.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.77ms. Allocated memory is still 119.5MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,920 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 119.5MB. Free memory was 68.9MB in the beginning and 67.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:07,920 INFO L158 Benchmark]: RCFGBuilder took 573.14ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 67.4MB in the beginning and 122.9MB in the end (delta: -55.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,921 INFO L158 Benchmark]: TraceAbstraction took 1590.73ms. Allocated memory is still 151.0MB. Free memory was 122.3MB in the beginning and 99.8MB in the end (delta: 22.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,921 INFO L158 Benchmark]: Witness Printer took 181.48ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 93.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:34:07,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 119.5MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.94ms. Allocated memory is still 119.5MB. Free memory was 89.9MB in the beginning and 71.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.77ms. Allocated memory is still 119.5MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 119.5MB. Free memory was 68.9MB in the beginning and 67.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.14ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 67.4MB in the beginning and 122.9MB in the end (delta: -55.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1590.73ms. Allocated memory is still 151.0MB. Free memory was 122.3MB in the beginning and 99.8MB in the end (delta: 22.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 181.48ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 93.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [181] - GenericResultAtLocation [Line: 251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [251] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] - GenericResultAtLocation [Line: 468]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [834] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874] * 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: 879]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 441 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 255 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 52 PreInvPairs, 62 NumberOfFragments, 38 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 119 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 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: 195]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:34:07,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_922aa98d-9d45-4153-a47e-a9a868e99274/bin/uautomizer-verify-uCwYo4JHxu/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 Result: TRUE