./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.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_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/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_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/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_acf1baf4-e01f-4613-b79b-d0c898b54c82/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 df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:18,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:18,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:41:18,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:18,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:18,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:18,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:18,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:18,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:18,633 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:18,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:18,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:18,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:18,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:18,638 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:18,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:18,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:18,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:18,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:18,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:18,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:18,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:18,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:18,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:18,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:18,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:18,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:18,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:18,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:18,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:18,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:18,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:18,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:18,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:18,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:18,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:18,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:41:18,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:18,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:18,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:18,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:18,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:18,652 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_acf1baf4-e01f-4613-b79b-d0c898b54c82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2023-11-26 10:41:19,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:19,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:19,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:19,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:19,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:19,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-26 10:41:22,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:22,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:22,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2023-11-26 10:41:22,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/data/8f7382eba/de5dce39daec4a09b0c63a3c767eb210/FLAG48f8c5ec8 [2023-11-26 10:41:22,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/data/8f7382eba/de5dce39daec4a09b0c63a3c767eb210 [2023-11-26 10:41:22,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:22,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:22,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:22,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:22,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:22,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:22" (1/1) ... [2023-11-26 10:41:22,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bfa509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:22, skipping insertion in model container [2023-11-26 10:41:22,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:22" (1/1) ... [2023-11-26 10:41:23,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:23,299 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_acf1baf4-e01f-4613-b79b-d0c898b54c82/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-11-26 10:41:23,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:23,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:23,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-26 10:41:23,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-26 10:41:23,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2023-11-26 10:41:23,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] [2023-11-26 10:41:23,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] [2023-11-26 10:41:23,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] [2023-11-26 10:41:23,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2023-11-26 10:41:23,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] [2023-11-26 10:41:23,485 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_acf1baf4-e01f-4613-b79b-d0c898b54c82/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2023-11-26 10:41:23,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:23,575 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:23,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23 WrapperNode [2023-11-26 10:41:23,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:23,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:23,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:23,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:23,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,637 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 206 [2023-11-26 10:41:23,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:23,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:23,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:23,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:23,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,676 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 10:41:23,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:23,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:23,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:23,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:23,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (1/1) ... [2023-11-26 10:41:23,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:23,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:23,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:23,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 10:41:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 10:41:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 10:41:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 10:41:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 10:41:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 10:41:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 10:41:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 10:41:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 10:41:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 10:41:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-26 10:41:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-26 10:41:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 10:41:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 10:41:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 10:41:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 10:41:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:23,970 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:23,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:24,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:24,546 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:24,547 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:41:24,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:24 BoogieIcfgContainer [2023-11-26 10:41:24,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:24,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:24,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:24,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:24,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:22" (1/3) ... [2023-11-26 10:41:24,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5943782c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:24, skipping insertion in model container [2023-11-26 10:41:24,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:23" (2/3) ... [2023-11-26 10:41:24,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5943782c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:24, skipping insertion in model container [2023-11-26 10:41:24,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:24" (3/3) ... [2023-11-26 10:41:24,558 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2023-11-26 10:41:24,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:24,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:24,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:24,647 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;@4bd4b130, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:24,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 10:41:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:41:24,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:24,665 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:24,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:24,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 190850071, now seen corresponding path program 1 times [2023-11-26 10:41:24,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:24,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777621152] [2023-11-26 10:41:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:24,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:41:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:41:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:24,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:24,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777621152] [2023-11-26 10:41:24,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777621152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:24,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:24,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:24,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224691783] [2023-11-26 10:41:24,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:24,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:41:24,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:25,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:41:25,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:25,033 INFO L87 Difference]: Start difference. First operand has 75 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 60 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:25,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:25,107 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2023-11-26 10:41:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:41:25,110 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-26 10:41:25,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:25,122 INFO L225 Difference]: With dead ends: 148 [2023-11-26 10:41:25,122 INFO L226 Difference]: Without dead ends: 70 [2023-11-26 10:41:25,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 10:41:25,131 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:25,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:25,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-26 10:41:25,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-26 10:41:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 56 states have internal predecessors, (68), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:41:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2023-11-26 10:41:25,184 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 22 [2023-11-26 10:41:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:25,185 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2023-11-26 10:41:25,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2023-11-26 10:41:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 10:41:25,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:25,192 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:25,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:41:25,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:25,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash 471814718, now seen corresponding path program 1 times [2023-11-26 10:41:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:25,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912672804] [2023-11-26 10:41:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:41:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912672804] [2023-11-26 10:41:25,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912672804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:25,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:25,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432045944] [2023-11-26 10:41:25,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:25,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:25,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:25,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:25,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:25,420 INFO L87 Difference]: Start difference. First operand 70 states and 95 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:25,469 INFO L93 Difference]: Finished difference Result 110 states and 148 transitions. [2023-11-26 10:41:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-26 10:41:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:25,472 INFO L225 Difference]: With dead ends: 110 [2023-11-26 10:41:25,472 INFO L226 Difference]: Without dead ends: 62 [2023-11-26 10:41:25,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 10:41:25,476 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:25,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:25,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-26 10:41:25,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-26 10:41:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.441860465116279) internal successors, (62), 51 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 10:41:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2023-11-26 10:41:25,490 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 23 [2023-11-26 10:41:25,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:25,491 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2023-11-26 10:41:25,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:41:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2023-11-26 10:41:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 10:41:25,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:25,494 INFO L195 NwaCegarLoop]: trace histogram [2, 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 10:41:25,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:41:25,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:25,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:25,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1985947031, now seen corresponding path program 1 times [2023-11-26 10:41:25,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:25,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816347242] [2023-11-26 10:41:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:25,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:41:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:25,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:25,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816347242] [2023-11-26 10:41:25,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816347242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:25,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:25,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:25,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809943942] [2023-11-26 10:41:25,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:25,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:25,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:25,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:25,614 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:41:25,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:25,752 INFO L93 Difference]: Finished difference Result 182 states and 249 transitions. [2023-11-26 10:41:25,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:25,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-26 10:41:25,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:25,760 INFO L225 Difference]: With dead ends: 182 [2023-11-26 10:41:25,760 INFO L226 Difference]: Without dead ends: 122 [2023-11-26 10:41:25,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:41:25,763 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:25,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 154 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:41:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-26 10:41:25,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2023-11-26 10:41:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 82 states have (on average 1.451219512195122) internal successors, (119), 97 states have internal predecessors, (119), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:41:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 163 transitions. [2023-11-26 10:41:25,827 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 163 transitions. Word has length 26 [2023-11-26 10:41:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:25,828 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 163 transitions. [2023-11-26 10:41:25,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:41:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2023-11-26 10:41:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-26 10:41:25,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:25,831 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-11-26 10:41:25,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:41:25,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:25,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:25,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2104489746, now seen corresponding path program 1 times [2023-11-26 10:41:25,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:25,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976034598] [2023-11-26 10:41:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:25,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:41:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 10:41:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 10:41:26,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:26,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976034598] [2023-11-26 10:41:26,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976034598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:26,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:26,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:41:26,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110978293] [2023-11-26 10:41:26,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:26,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:26,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:41:26,111 INFO L87 Difference]: Start difference. First operand 119 states and 163 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:41:26,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:26,409 INFO L93 Difference]: Finished difference Result 320 states and 445 transitions. [2023-11-26 10:41:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:41:26,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-11-26 10:41:26,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:26,417 INFO L225 Difference]: With dead ends: 320 [2023-11-26 10:41:26,422 INFO L226 Difference]: Without dead ends: 203 [2023-11-26 10:41:26,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 10:41:26,426 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 58 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:26,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 317 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:41:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-26 10:41:26,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2023-11-26 10:41:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 154 states have internal predecessors, (191), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2023-11-26 10:41:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 263 transitions. [2023-11-26 10:41:26,476 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 263 transitions. Word has length 29 [2023-11-26 10:41:26,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:26,477 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 263 transitions. [2023-11-26 10:41:26,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 10:41:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 263 transitions. [2023-11-26 10:41:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:41:26,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:26,481 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:26,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:41:26,482 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:26,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,482 INFO L85 PathProgramCache]: Analyzing trace with hash -531412959, now seen corresponding path program 1 times [2023-11-26 10:41:26,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886880414] [2023-11-26 10:41:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:41:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:41:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:26,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:26,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886880414] [2023-11-26 10:41:26,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886880414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:26,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:26,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:41:26,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691795661] [2023-11-26 10:41:26,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:26,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:41:26,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:26,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:41:26,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:26,679 INFO L87 Difference]: Start difference. First operand 198 states and 263 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:41:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:26,859 INFO L93 Difference]: Finished difference Result 438 states and 589 transitions. [2023-11-26 10:41:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:41:26,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-26 10:41:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:26,864 INFO L225 Difference]: With dead ends: 438 [2023-11-26 10:41:26,865 INFO L226 Difference]: Without dead ends: 242 [2023-11-26 10:41:26,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:26,871 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 48 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:26,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 202 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:41:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-26 10:41:26,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2023-11-26 10:41:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 171 states have (on average 1.3508771929824561) internal successors, (231), 186 states have internal predecessors, (231), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2023-11-26 10:41:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 317 transitions. [2023-11-26 10:41:26,950 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 317 transitions. Word has length 38 [2023-11-26 10:41:26,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:26,951 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 317 transitions. [2023-11-26 10:41:26,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:41:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 317 transitions. [2023-11-26 10:41:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:41:26,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:26,960 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:26,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:41:26,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:26,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1811276637, now seen corresponding path program 1 times [2023-11-26 10:41:26,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843959990] [2023-11-26 10:41:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:41:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:41:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:27,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843959990] [2023-11-26 10:41:27,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843959990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:27,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:27,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:41:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587054366] [2023-11-26 10:41:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:27,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:27,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:41:27,110 INFO L87 Difference]: Start difference. First operand 240 states and 317 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:27,515 INFO L93 Difference]: Finished difference Result 500 states and 673 transitions. [2023-11-26 10:41:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:41:27,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2023-11-26 10:41:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:27,524 INFO L225 Difference]: With dead ends: 500 [2023-11-26 10:41:27,525 INFO L226 Difference]: Without dead ends: 262 [2023-11-26 10:41:27,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-26 10:41:27,531 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 163 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:27,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 282 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:41:27,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-26 10:41:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 244. [2023-11-26 10:41:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 190 states have internal predecessors, (235), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2023-11-26 10:41:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 321 transitions. [2023-11-26 10:41:27,598 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 321 transitions. Word has length 38 [2023-11-26 10:41:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:27,598 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 321 transitions. [2023-11-26 10:41:27,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:41:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 321 transitions. [2023-11-26 10:41:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-26 10:41:27,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:27,601 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:27,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:41:27,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:27,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,602 INFO L85 PathProgramCache]: Analyzing trace with hash 895342757, now seen corresponding path program 1 times [2023-11-26 10:41:27,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:27,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984901903] [2023-11-26 10:41:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:41:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:41:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:27,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:27,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984901903] [2023-11-26 10:41:27,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984901903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:27,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:27,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:41:27,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989743433] [2023-11-26 10:41:27,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:27,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:41:27,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:41:27,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:27,710 INFO L87 Difference]: Start difference. First operand 244 states and 321 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:41:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:28,145 INFO L93 Difference]: Finished difference Result 811 states and 1139 transitions. [2023-11-26 10:41:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:41:28,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-11-26 10:41:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:28,154 INFO L225 Difference]: With dead ends: 811 [2023-11-26 10:41:28,154 INFO L226 Difference]: Without dead ends: 569 [2023-11-26 10:41:28,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:28,157 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 184 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:28,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 285 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:41:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-26 10:41:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 561. [2023-11-26 10:41:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 400 states have (on average 1.3225) internal successors, (529), 429 states have internal predecessors, (529), 90 states have call successors, (90), 71 states have call predecessors, (90), 70 states have return successors, (140), 84 states have call predecessors, (140), 90 states have call successors, (140) [2023-11-26 10:41:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 759 transitions. [2023-11-26 10:41:28,242 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 759 transitions. Word has length 38 [2023-11-26 10:41:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:28,242 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 759 transitions. [2023-11-26 10:41:28,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 10:41:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 759 transitions. [2023-11-26 10:41:28,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 10:41:28,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:28,246 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:28,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:41:28,246 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:28,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:28,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1632286155, now seen corresponding path program 1 times [2023-11-26 10:41:28,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:28,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052118530] [2023-11-26 10:41:28,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:28,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 10:41:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 10:41:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:41:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 10:41:28,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:28,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052118530] [2023-11-26 10:41:28,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052118530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:28,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:28,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:41:28,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562532542] [2023-11-26 10:41:28,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:28,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:41:28,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:28,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:41:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:41:28,528 INFO L87 Difference]: Start difference. First operand 561 states and 759 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:41:29,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:29,344 INFO L93 Difference]: Finished difference Result 1808 states and 2494 transitions. [2023-11-26 10:41:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-26 10:41:29,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2023-11-26 10:41:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:29,356 INFO L225 Difference]: With dead ends: 1808 [2023-11-26 10:41:29,356 INFO L226 Difference]: Without dead ends: 1249 [2023-11-26 10:41:29,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-26 10:41:29,362 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 351 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:29,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 341 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:41:29,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-11-26 10:41:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1054. [2023-11-26 10:41:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 750 states have (on average 1.304) internal successors, (978), 811 states have internal predecessors, (978), 169 states have call successors, (169), 121 states have call predecessors, (169), 134 states have return successors, (264), 160 states have call predecessors, (264), 169 states have call successors, (264) [2023-11-26 10:41:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1411 transitions. [2023-11-26 10:41:29,516 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1411 transitions. Word has length 42 [2023-11-26 10:41:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:29,517 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1411 transitions. [2023-11-26 10:41:29,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-26 10:41:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1411 transitions. [2023-11-26 10:41:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-26 10:41:29,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:29,520 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:29,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:41:29,521 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:29,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1091612530, now seen corresponding path program 1 times [2023-11-26 10:41:29,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:29,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717926270] [2023-11-26 10:41:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:41:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 10:41:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 10:41:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:41:29,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717926270] [2023-11-26 10:41:29,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717926270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:29,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:29,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:41:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734063410] [2023-11-26 10:41:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:29,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:41:29,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:41:29,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:29,653 INFO L87 Difference]: Start difference. First operand 1054 states and 1411 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-26 10:41:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:30,141 INFO L93 Difference]: Finished difference Result 1240 states and 1645 transitions. [2023-11-26 10:41:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 10:41:30,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 66 [2023-11-26 10:41:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:30,148 INFO L225 Difference]: With dead ends: 1240 [2023-11-26 10:41:30,148 INFO L226 Difference]: Without dead ends: 529 [2023-11-26 10:41:30,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:41:30,155 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 236 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:30,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 228 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:41:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2023-11-26 10:41:30,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2023-11-26 10:41:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 373 states have (on average 1.260053619302949) internal successors, (470), 400 states have internal predecessors, (470), 82 states have call successors, (82), 61 states have call predecessors, (82), 67 states have return successors, (129), 79 states have call predecessors, (129), 82 states have call successors, (129) [2023-11-26 10:41:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 681 transitions. [2023-11-26 10:41:30,240 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 681 transitions. Word has length 66 [2023-11-26 10:41:30,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:30,240 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 681 transitions. [2023-11-26 10:41:30,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-26 10:41:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 681 transitions. [2023-11-26 10:41:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-26 10:41:30,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:30,245 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-26 10:41:30,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:41:30,245 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:30,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:30,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1366570793, now seen corresponding path program 1 times [2023-11-26 10:41:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:30,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017821849] [2023-11-26 10:41:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:41:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:41:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 10:41:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 10:41:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:41:30,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:30,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017821849] [2023-11-26 10:41:30,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017821849] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:30,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753374172] [2023-11-26 10:41:30,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:30,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:30,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:41:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:30,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 10:41:30,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:41:30,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:41:31,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753374172] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:31,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:41:31,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-26 10:41:31,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442279649] [2023-11-26 10:41:31,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:31,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-26 10:41:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:31,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-26 10:41:31,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:41:31,185 INFO L87 Difference]: Start difference. First operand 523 states and 681 transitions. Second operand has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-26 10:41:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:32,750 INFO L93 Difference]: Finished difference Result 1160 states and 1529 transitions. [2023-11-26 10:41:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-26 10:41:32,751 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 74 [2023-11-26 10:41:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:32,758 INFO L225 Difference]: With dead ends: 1160 [2023-11-26 10:41:32,758 INFO L226 Difference]: Without dead ends: 639 [2023-11-26 10:41:32,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-26 10:41:32,762 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 347 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:32,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 764 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 10:41:32,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-26 10:41:32,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 561. [2023-11-26 10:41:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 395 states have (on average 1.2253164556962026) internal successors, (484), 429 states have internal predecessors, (484), 89 states have call successors, (89), 75 states have call predecessors, (89), 76 states have return successors, (116), 79 states have call predecessors, (116), 89 states have call successors, (116) [2023-11-26 10:41:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 689 transitions. [2023-11-26 10:41:32,849 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 689 transitions. Word has length 74 [2023-11-26 10:41:32,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:32,850 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 689 transitions. [2023-11-26 10:41:32,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 7.916666666666667) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2023-11-26 10:41:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 689 transitions. [2023-11-26 10:41:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 10:41:32,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:32,858 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:32,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:41:33,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:41:33,064 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:33,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:33,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1183871316, now seen corresponding path program 1 times [2023-11-26 10:41:33,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:33,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379723081] [2023-11-26 10:41:33,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:41:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 10:41:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-26 10:41:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:41:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 10:41:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-26 10:41:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 70 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 10:41:33,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379723081] [2023-11-26 10:41:33,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379723081] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832986358] [2023-11-26 10:41:33,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:33,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:33,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:33,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:33,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:41:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:33,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:41:33,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-26 10:41:33,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-26 10:41:34,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832986358] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:34,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:41:34,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 20 [2023-11-26 10:41:34,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013698460] [2023-11-26 10:41:34,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:34,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-26 10:41:34,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:34,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-26 10:41:34,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2023-11-26 10:41:34,255 INFO L87 Difference]: Start difference. First operand 561 states and 689 transitions. Second operand has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) [2023-11-26 10:41:34,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:34,971 INFO L93 Difference]: Finished difference Result 1146 states and 1444 transitions. [2023-11-26 10:41:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-26 10:41:34,972 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) Word has length 132 [2023-11-26 10:41:34,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:34,977 INFO L225 Difference]: With dead ends: 1146 [2023-11-26 10:41:34,977 INFO L226 Difference]: Without dead ends: 587 [2023-11-26 10:41:34,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 285 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=327, Invalid=863, Unknown=0, NotChecked=0, Total=1190 [2023-11-26 10:41:34,981 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 435 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:34,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 270 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:41:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-11-26 10:41:35,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 549. [2023-11-26 10:41:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 389 states have (on average 1.1979434447300772) internal successors, (466), 420 states have internal predecessors, (466), 86 states have call successors, (86), 72 states have call predecessors, (86), 73 states have return successors, (109), 77 states have call predecessors, (109), 86 states have call successors, (109) [2023-11-26 10:41:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 661 transitions. [2023-11-26 10:41:35,055 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 661 transitions. Word has length 132 [2023-11-26 10:41:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:35,056 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 661 transitions. [2023-11-26 10:41:35,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.75) internal successors, (135), 17 states have internal predecessors, (135), 9 states have call successors, (30), 8 states have call predecessors, (30), 9 states have return successors, (28), 8 states have call predecessors, (28), 9 states have call successors, (28) [2023-11-26 10:41:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 661 transitions. [2023-11-26 10:41:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-26 10:41:35,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:35,060 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:35,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:35,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 10:41:35,267 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:35,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 519410976, now seen corresponding path program 1 times [2023-11-26 10:41:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227068842] [2023-11-26 10:41:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:41:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 10:41:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 10:41:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-26 10:41:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:41:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 10:41:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 10:41:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-26 10:41:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-26 10:41:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 73 proven. 39 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 10:41:35,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227068842] [2023-11-26 10:41:35,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227068842] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427306722] [2023-11-26 10:41:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:35,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:35,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:35,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:41:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:35,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 10:41:35,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 141 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-26 10:41:36,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 85 proven. 39 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 10:41:36,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427306722] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:36,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:41:36,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2023-11-26 10:41:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706485685] [2023-11-26 10:41:36,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:36,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-26 10:41:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:36,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-26 10:41:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2023-11-26 10:41:36,564 INFO L87 Difference]: Start difference. First operand 549 states and 661 transitions. Second operand has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) [2023-11-26 10:41:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:38,002 INFO L93 Difference]: Finished difference Result 1119 states and 1367 transitions. [2023-11-26 10:41:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-26 10:41:38,003 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) Word has length 146 [2023-11-26 10:41:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:38,009 INFO L225 Difference]: With dead ends: 1119 [2023-11-26 10:41:38,009 INFO L226 Difference]: Without dead ends: 572 [2023-11-26 10:41:38,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=405, Invalid=1575, Unknown=0, NotChecked=0, Total=1980 [2023-11-26 10:41:38,014 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 354 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:38,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 483 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 10:41:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-26 10:41:38,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 555. [2023-11-26 10:41:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 392 states have (on average 1.183673469387755) internal successors, (464), 423 states have internal predecessors, (464), 86 states have call successors, (86), 75 states have call predecessors, (86), 76 states have return successors, (109), 77 states have call predecessors, (109), 86 states have call successors, (109) [2023-11-26 10:41:38,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 659 transitions. [2023-11-26 10:41:38,107 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 659 transitions. Word has length 146 [2023-11-26 10:41:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:38,109 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 659 transitions. [2023-11-26 10:41:38,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 8.88888888888889) internal successors, (160), 15 states have internal predecessors, (160), 7 states have call successors, (38), 7 states have call predecessors, (38), 11 states have return successors, (33), 10 states have call predecessors, (33), 7 states have call successors, (33) [2023-11-26 10:41:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 659 transitions. [2023-11-26 10:41:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-26 10:41:38,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:38,115 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:38,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:38,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 10:41:38,324 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:38,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash -450002293, now seen corresponding path program 1 times [2023-11-26 10:41:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:38,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128727022] [2023-11-26 10:41:38,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:38,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:41:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 10:41:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 10:41:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 10:41:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:41:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-26 10:41:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-26 10:41:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-26 10:41:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 10:41:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 83 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-26 10:41:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128727022] [2023-11-26 10:41:39,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128727022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:39,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591476848] [2023-11-26 10:41:39,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:39,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:39,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:39,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:39,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:41:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:39,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:41:39,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 98 proven. 22 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-26 10:41:39,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 81 proven. 36 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-26 10:41:40,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591476848] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:40,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:41:40,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 20 [2023-11-26 10:41:40,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874870565] [2023-11-26 10:41:40,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:40,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-26 10:41:40,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-26 10:41:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2023-11-26 10:41:40,009 INFO L87 Difference]: Start difference. First operand 555 states and 659 transitions. Second operand has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) [2023-11-26 10:41:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:40,949 INFO L93 Difference]: Finished difference Result 1093 states and 1320 transitions. [2023-11-26 10:41:40,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-26 10:41:40,950 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) Word has length 147 [2023-11-26 10:41:40,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:40,955 INFO L225 Difference]: With dead ends: 1093 [2023-11-26 10:41:40,955 INFO L226 Difference]: Without dead ends: 734 [2023-11-26 10:41:40,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 329 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=412, Invalid=994, Unknown=0, NotChecked=0, Total=1406 [2023-11-26 10:41:40,959 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 384 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:40,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 577 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:41:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-26 10:41:41,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 670. [2023-11-26 10:41:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 472 states have (on average 1.1843220338983051) internal successors, (559), 507 states have internal predecessors, (559), 104 states have call successors, (104), 95 states have call predecessors, (104), 93 states have return successors, (129), 93 states have call predecessors, (129), 104 states have call successors, (129) [2023-11-26 10:41:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 792 transitions. [2023-11-26 10:41:41,034 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 792 transitions. Word has length 147 [2023-11-26 10:41:41,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:41,035 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 792 transitions. [2023-11-26 10:41:41,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.45) internal successors, (149), 17 states have internal predecessors, (149), 12 states have call successors, (38), 10 states have call predecessors, (38), 13 states have return successors, (34), 12 states have call predecessors, (34), 12 states have call successors, (34) [2023-11-26 10:41:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 792 transitions. [2023-11-26 10:41:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-26 10:41:41,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:41,040 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:41,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:41,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 10:41:41,246 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:41,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2048089692, now seen corresponding path program 1 times [2023-11-26 10:41:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:41,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113345659] [2023-11-26 10:41:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 10:41:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:41:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 10:41:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:41:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 10:41:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 10:41:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:41:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:41:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-26 10:41:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 10:41:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:41:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 10:41:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:41:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:41:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-26 10:41:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-26 10:41:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-26 10:41:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-26 10:41:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 8 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-26 10:41:41,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113345659] [2023-11-26 10:41:41,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113345659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:41,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574887040] [2023-11-26 10:41:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:41,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:41,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:41,648 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:41,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:41:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-26 10:41:41,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 75 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-26 10:41:42,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 80 proven. 112 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-26 10:41:42,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574887040] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:41:42,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:41:42,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 15] total 24 [2023-11-26 10:41:42,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074902882] [2023-11-26 10:41:42,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:41:42,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-26 10:41:42,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:42,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-26 10:41:42,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-11-26 10:41:42,926 INFO L87 Difference]: Start difference. First operand 670 states and 792 transitions. Second operand has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-26 10:41:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:45,693 INFO L93 Difference]: Finished difference Result 1936 states and 2342 transitions. [2023-11-26 10:41:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-26 10:41:45,694 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) Word has length 190 [2023-11-26 10:41:45,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:45,696 INFO L225 Difference]: With dead ends: 1936 [2023-11-26 10:41:45,697 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:41:45,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 412 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=973, Invalid=3719, Unknown=0, NotChecked=0, Total=4692 [2023-11-26 10:41:45,705 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1176 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 2713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:45,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1270 Invalid, 2713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-26 10:41:45,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:41:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:41:45,707 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 10:41:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:41:45,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2023-11-26 10:41:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:45,708 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:41:45,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.208333333333334) internal successors, (197), 20 states have internal predecessors, (197), 13 states have call successors, (45), 10 states have call predecessors, (45), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-26 10:41:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:41:45,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:41:45,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:41:45,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:45,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 10:41:45,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:41:54,617 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2023-11-26 10:41:54,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 206 213) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-26 10:41:54,618 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2023-11-26 10:41:54,618 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2023-11-26 10:41:54,618 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 926) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse12 (= 1 ~systemActive~0)) (.cse11 (not .cse9))) (let ((.cse5 (and (<= 1 ~pumpRunning~0) .cse12 .cse11)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~switchedOnBeforeTS~0 1)) (.cse0 (< ~pumpRunning~0 1)) (.cse7 (not .cse2)) (.cse10 (not (= 2 ~waterLevel~0))) (.cse6 (< 2 ~waterLevel~0)) (.cse8 (not (= ~pumpRunning~0 0))) (.cse1 (not .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse1) (or .cse0 .cse1 .cse10 .cse2 .cse5) (or .cse0 .cse7 .cse9 .cse1 .cse3 .cse4) (or .cse0 .cse7 .cse9 .cse1 .cse10) (or .cse6 .cse8 .cse1 .cse2 .cse11))))) [2023-11-26 10:41:54,618 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2023-11-26 10:41:54,619 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2023-11-26 10:41:54,619 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2023-11-26 10:41:54,619 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2023-11-26 10:41:54,619 INFO L902 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2023-11-26 10:41:54,619 INFO L902 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2023-11-26 10:41:54,620 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2023-11-26 10:41:54,620 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2023-11-26 10:41:54,620 INFO L899 garLoopResultBuilder]: For program point L331(lines 306 335) no Hoare annotation was computed. [2023-11-26 10:41:54,620 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 306 335) the Hoare annotation is: true [2023-11-26 10:41:54,620 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-11-26 10:41:54,621 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (< 0 |old(~waterLevel~0)|) .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< 2 |old(~waterLevel~0)|)) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-26 10:41:54,621 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 173 197) no Hoare annotation was computed. [2023-11-26 10:41:54,621 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2023-11-26 10:41:54,621 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2023-11-26 10:41:54,621 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2023-11-26 10:41:54,621 INFO L899 garLoopResultBuilder]: For program point L895-2(lines 891 902) no Hoare annotation was computed. [2023-11-26 10:41:54,622 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2023-11-26 10:41:54,622 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= 1 ~systemActive~0)) (.cse14 (not .cse0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse4 .cse5 .cse12 .cse15 .cse7)) (.cse9 (and (<= 1 ~pumpRunning~0) .cse18 .cse20 .cse14 .cse5 .cse12 .cse15 .cse7)) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse13 (not (= 0 ~systemActive~0))) (.cse10 (and .cse18 .cse5 .cse6 .cse7)) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse19 (< 0 |old(~waterLevel~0)|)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse20))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10) (or .cse11 (and .cse4 .cse12) .cse13) (let ((.cse16 (= ~waterLevel~0 1))) (or (and .cse4 .cse14 .cse15 .cse16 .cse7) .cse2 .cse17 .cse8 (and .cse18 .cse15 .cse16 .cse7))) (or .cse0 .cse1 .cse2 .cse19 .cse3 .cse8 .cse9) (or .cse11 .cse17 .cse13) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse14 .cse8 .cse10) (or .cse1 .cse2 .cse19 .cse14 .cse8 (and .cse18 .cse12 .cse15 .cse7)) (or .cse11 .cse2 (and .cse4 (<= ~waterLevel~0 1) .cse12 .cse15) (< 2 |old(~waterLevel~0)|)))))) [2023-11-26 10:41:54,622 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2023-11-26 10:41:54,622 INFO L899 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2023-11-26 10:41:54,623 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-26 10:41:54,623 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2023-11-26 10:41:54,623 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-26 10:41:54,623 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 138) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-26 10:41:54,624 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-26 10:41:54,624 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-11-26 10:41:54,624 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse0 .cse3 .cse4) (or .cse0 .cse3 .cse4 (= ~waterLevel~0 1)) (or .cse7 .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 (and .cse5 (<= ~waterLevel~0 0) .cse6) .cse4) (or (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6) .cse8 .cse0 (< 0 |old(~waterLevel~0)|) .cse4) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse0 .cse1 .cse2 .cse4) (or .cse7 (not (= 0 ~systemActive~0))))) [2023-11-26 10:41:54,624 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2023-11-26 10:41:54,625 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1 (<= ~waterLevel~0 0) .cse2) (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5) (or .cse3 .cse4 (< 0 |old(~waterLevel~0)|) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse5) (or .cse6 .cse4 (< 2 |old(~waterLevel~0)|)) (or .cse4 (not (= |old(~waterLevel~0)| 2)) .cse5 (and .cse0 .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse6 (not (= 0 ~systemActive~0))))) [2023-11-26 10:41:54,625 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2023-11-26 10:41:54,625 INFO L899 garLoopResultBuilder]: For program point L501-1(lines 493 521) no Hoare annotation was computed. [2023-11-26 10:41:54,625 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2023-11-26 10:41:54,625 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-26 10:41:54,626 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2023-11-26 10:41:54,626 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2023-11-26 10:41:54,626 INFO L895 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-26 10:41:54,626 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-26 10:41:54,626 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2023-11-26 10:41:54,626 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 399) no Hoare annotation was computed. [2023-11-26 10:41:54,627 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2023-11-26 10:41:54,627 INFO L899 garLoopResultBuilder]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2023-11-26 10:41:54,627 INFO L899 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2023-11-26 10:41:54,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:41:54,627 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2023-11-26 10:41:54,628 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-26 10:41:54,628 INFO L899 garLoopResultBuilder]: For program point L467(lines 406 471) no Hoare annotation was computed. [2023-11-26 10:41:54,628 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2023-11-26 10:41:54,628 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:41:54,628 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2023-11-26 10:41:54,628 INFO L895 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2023-11-26 10:41:54,629 INFO L895 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-26 10:41:54,629 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2023-11-26 10:41:54,629 INFO L895 garLoopResultBuilder]: At program point L452-2(lines 446 459) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-26 10:41:54,629 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse3)) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (< 0 ~waterLevel~0)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1))))) [2023-11-26 10:41:54,629 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2023-11-26 10:41:54,629 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2023-11-26 10:41:54,630 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2023-11-26 10:41:54,630 INFO L899 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2023-11-26 10:41:54,630 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-26 10:41:54,630 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-26 10:41:54,630 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2023-11-26 10:41:54,630 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 968 981) no Hoare annotation was computed. [2023-11-26 10:41:54,630 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2023-11-26 10:41:54,631 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2023-11-26 10:41:54,631 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2023-11-26 10:41:54,631 INFO L899 garLoopResultBuilder]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2023-11-26 10:41:54,631 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 903 914) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse6 .cse0 .cse2 (< ~switchedOnBeforeTS~0 1) .cse5) (or .cse6 .cse4 .cse2 .cse5))) [2023-11-26 10:41:54,631 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2023-11-26 10:41:54,632 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 233) the Hoare annotation is: true [2023-11-26 10:41:54,634 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:54,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:41:54,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:41:54 BoogieIcfgContainer [2023-11-26 10:41:54,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:41:54,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:41:54,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:41:54,649 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:41:54,649 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:24" (3/4) ... [2023-11-26 10:41:54,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:41:54,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 10:41:54,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 10:41:54,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 10:41:54,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 10:41:54,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 10:41:54,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 10:41:54,656 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 10:41:54,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-26 10:41:54,666 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-26 10:41:54,666 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 10:41:54,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 10:41:54,668 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:41:54,668 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:41:54,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:41:54,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:41:54,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:41:54,793 INFO L158 Benchmark]: Toolchain (without parser) took 31820.70ms. Allocated memory was 159.4MB in the beginning and 352.3MB in the end (delta: 192.9MB). Free memory was 111.6MB in the beginning and 113.3MB in the end (delta: -1.7MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,794 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:54,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.32ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.28ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,795 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,795 INFO L158 Benchmark]: RCFGBuilder took 848.55ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 117.8MB in the end (delta: -30.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,796 INFO L158 Benchmark]: TraceAbstraction took 30097.78ms. Allocated memory was 159.4MB in the beginning and 352.3MB in the end (delta: 192.9MB). Free memory was 117.8MB in the beginning and 120.7MB in the end (delta: -2.9MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,796 INFO L158 Benchmark]: Witness Printer took 144.17ms. Allocated memory is still 352.3MB. Free memory was 120.7MB in the beginning and 113.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 10:41:54,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.32ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.28ms. Allocated memory is still 159.4MB. Free memory was 92.1MB in the beginning and 90.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 87.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 848.55ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 117.8MB in the end (delta: -30.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 30097.78ms. Allocated memory was 159.4MB in the beginning and 352.3MB in the end (delta: 192.9MB). Free memory was 117.8MB in the beginning and 120.7MB in the end (delta: -2.9MB). Peak memory consumption was 205.5MB. Max. memory is 16.1GB. * Witness Printer took 144.17ms. Allocated memory is still 352.3MB. Free memory was 120.7MB in the beginning and 113.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [304] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [405] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [472] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [888] * 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: 54]: 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 9 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.0s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3869 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3818 mSDsluCounter, 5386 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4124 mSDsCounter, 1576 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6753 IncrementalHoareTripleChecker+Invalid, 8329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1576 mSolverCounterUnsat, 1262 mSDtfsCounter, 6753 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1908 GetRequests, 1598 SyntacticMatches, 25 SemanticMatches, 285 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2809 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1054occurred in iteration=8, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 434 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 2001 PreInvPairs, 2264 NumberOfFragments, 1500 HoareAnnotationTreeSize, 2001 FomulaSimplifications, 20260 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 32746 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 1700 NumberOfCodeBlocks, 1700 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2365 ConstructedInterpolants, 0 QuantifiedInterpolants, 5780 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2340 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2230/2668 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: 416]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 10:41:54,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acf1baf4-e01f-4613-b79b-d0c898b54c82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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