./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:42:13,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:42:13,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:42:13,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:42:13,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:42:13,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:42:13,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:42:13,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:42:13,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:42:13,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:42:13,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:42:13,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:42:13,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:42:13,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:42:13,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:42:13,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:42:13,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:42:13,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:42:13,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:42:13,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:42:13,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:42:13,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:42:13,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:42:13,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:42:13,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:42:13,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:42:13,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:42:13,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:42:13,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:42:13,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:42:13,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:42:13,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:42:13,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:42:13,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:42:13,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:42:13,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:42:13,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:42:13,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:42:13,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:42:13,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:42:13,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:42:13,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:42:13,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:42:13,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:42:13,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:42:13,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:42:13,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:42:13,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:42:13,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:42:13,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:42:13,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:42:13,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:42:13,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:42:13,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:42:13,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:42:13,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:42:13,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:42:13,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:42:13,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:42:13,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:42:13,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:42:13,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:42:13,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:42:13,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:42:13,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:42:13,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:42:13,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:42:13,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:42:13,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:42:13,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:42:13,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:42:13,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:42:13,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:42:13,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:42:13,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:42:13,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2022-11-21 16:42:13,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:42:13,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:42:13,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:42:13,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:42:13,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:42:13,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-21 16:42:16,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:42:16,888 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:42:16,889 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-21 16:42:16,900 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/data/3cc3dc2f9/1718f5673eaf418b957a01430019495a/FLAGc9eda90a3 [2022-11-21 16:42:16,926 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/data/3cc3dc2f9/1718f5673eaf418b957a01430019495a [2022-11-21 16:42:16,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:42:16,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:42:16,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:42:16,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:42:16,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:42:16,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:16" (1/1) ... [2022-11-21 16:42:16,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7e3a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:16, skipping insertion in model container [2022-11-21 16:42:16,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:16" (1/1) ... [2022-11-21 16:42:16,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:42:17,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:42:17,182 WARN L237 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_e120696a-b161-43f9-92f2-e36a044294e6/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-21 16:42:17,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:42:17,379 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:42:17,402 WARN L237 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_e120696a-b161-43f9-92f2-e36a044294e6/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-21 16:42:17,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:42:17,475 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:42:17,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17 WrapperNode [2022-11-21 16:42:17,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:42:17,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:42:17,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:42:17,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:42:17,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,547 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 203 [2022-11-21 16:42:17,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:42:17,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:42:17,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:42:17,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:42:17,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:42:17,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:42:17,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:42:17,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:42:17,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:42:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:42:17,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:42:17,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:42:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:42:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 16:42:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 16:42:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:42:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:42:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:42:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:42:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:42:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:42:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:42:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:42:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-21 16:42:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-21 16:42:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:42:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:42:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:42:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:42:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:42:17,796 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:42:17,799 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:42:18,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:42:18,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:42:18,159 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:42:18,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:42:18 BoogieIcfgContainer [2022-11-21 16:42:18,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:42:18,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:42:18,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:42:18,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:42:18,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:42:16" (1/3) ... [2022-11-21 16:42:18,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3794f7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:42:18, skipping insertion in model container [2022-11-21 16:42:18,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17" (2/3) ... [2022-11-21 16:42:18,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3794f7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:42:18, skipping insertion in model container [2022-11-21 16:42:18,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:42:18" (3/3) ... [2022-11-21 16:42:18,171 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2022-11-21 16:42:18,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:42:18,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:42:18,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:42:18,265 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@97c71c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:42:18,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:42:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-21 16:42:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 16:42:18,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:18,294 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:18,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:18,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash 849031785, now seen corresponding path program 1 times [2022-11-21 16:42:18,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:18,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408762451] [2022-11-21 16:42:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-21 16:42:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 16:42:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:18,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:18,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408762451] [2022-11-21 16:42:18,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408762451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:18,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:18,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:42:18,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002153165] [2022-11-21 16:42:18,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:18,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:42:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:42:18,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:42:18,607 INFO L87 Difference]: Start difference. First operand has 91 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-11-21 16:42:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:18,653 INFO L93 Difference]: Finished difference Result 173 states and 234 transitions. [2022-11-21 16:42:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:42:18,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 32 [2022-11-21 16:42:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:18,669 INFO L225 Difference]: With dead ends: 173 [2022-11-21 16:42:18,669 INFO L226 Difference]: Without dead ends: 82 [2022-11-21 16:42:18,674 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 [2022-11-21 16:42:18,681 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:18,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:42:18,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-21 16:42:18,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-21 16:42:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-21 16:42:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-11-21 16:42:18,740 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 32 [2022-11-21 16:42:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:18,740 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-11-21 16:42:18,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-11-21 16:42:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-11-21 16:42:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 16:42:18,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:18,745 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:18,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:42:18,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:18,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 79054015, now seen corresponding path program 1 times [2022-11-21 16:42:18,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:18,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389993328] [2022-11-21 16:42:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:18,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:42:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:42:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:18,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:18,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389993328] [2022-11-21 16:42:18,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389993328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:18,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:18,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:18,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517892738] [2022-11-21 16:42:18,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:18,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:18,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:18,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:18,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:18,890 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-21 16:42:18,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:18,930 INFO L93 Difference]: Finished difference Result 128 states and 164 transitions. [2022-11-21 16:42:18,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:18,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 33 [2022-11-21 16:42:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:18,932 INFO L225 Difference]: With dead ends: 128 [2022-11-21 16:42:18,932 INFO L226 Difference]: Without dead ends: 73 [2022-11-21 16:42:18,933 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 [2022-11-21 16:42:18,935 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:18,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:42:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-21 16:42:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-21 16:42:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 16:42:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-11-21 16:42:18,946 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 33 [2022-11-21 16:42:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:18,947 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-21 16:42:18,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-21 16:42:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-11-21 16:42:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 16:42:18,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:18,949 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:18,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:42:18,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash 321911882, now seen corresponding path program 1 times [2022-11-21 16:42:18,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:18,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711577917] [2022-11-21 16:42:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:42:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:19,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:19,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711577917] [2022-11-21 16:42:19,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711577917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:19,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:19,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:19,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763922134] [2022-11-21 16:42:19,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:19,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:19,105 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-21 16:42:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:19,179 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2022-11-21 16:42:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:42:19,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 38 [2022-11-21 16:42:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:19,190 INFO L225 Difference]: With dead ends: 138 [2022-11-21 16:42:19,190 INFO L226 Difference]: Without dead ends: 73 [2022-11-21 16:42:19,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:42:19,192 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 116 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:19,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 224 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:42:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-21 16:42:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-21 16:42:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-21 16:42:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-11-21 16:42:19,208 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 38 [2022-11-21 16:42:19,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:19,210 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-21 16:42:19,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-11-21 16:42:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-11-21 16:42:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 16:42:19,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:19,220 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:19,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:42:19,220 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:19,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1433797075, now seen corresponding path program 1 times [2022-11-21 16:42:19,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:19,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496043620] [2022-11-21 16:42:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:19,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 16:42:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:19,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:19,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496043620] [2022-11-21 16:42:19,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496043620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:19,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:19,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:19,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440956853] [2022-11-21 16:42:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:19,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:19,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:19,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:19,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:19,346 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:42:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:19,442 INFO L93 Difference]: Finished difference Result 186 states and 241 transitions. [2022-11-21 16:42:19,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:19,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 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 44 [2022-11-21 16:42:19,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:19,448 INFO L225 Difference]: With dead ends: 186 [2022-11-21 16:42:19,449 INFO L226 Difference]: Without dead ends: 121 [2022-11-21 16:42:19,449 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 [2022-11-21 16:42:19,451 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 75 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:19,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 175 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-21 16:42:19,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2022-11-21 16:42:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 99 states have internal predecessors, (118), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2022-11-21 16:42:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2022-11-21 16:42:19,493 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 44 [2022-11-21 16:42:19,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:19,494 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2022-11-21 16:42:19,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:42:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2022-11-21 16:42:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 16:42:19,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:19,502 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:19,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:42:19,503 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:19,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:19,503 INFO L85 PathProgramCache]: Analyzing trace with hash -464428248, now seen corresponding path program 1 times [2022-11-21 16:42:19,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:19,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254782449] [2022-11-21 16:42:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:19,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:42:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:42:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:19,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:19,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254782449] [2022-11-21 16:42:19,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254782449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:19,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:19,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:42:19,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280731458] [2022-11-21 16:42:19,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:19,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:42:19,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:19,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:42:19,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:42:19,631 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-11-21 16:42:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:19,828 INFO L93 Difference]: Finished difference Result 262 states and 338 transitions. [2022-11-21 16:42:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:42:19,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 52 [2022-11-21 16:42:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:19,831 INFO L225 Difference]: With dead ends: 262 [2022-11-21 16:42:19,831 INFO L226 Difference]: Without dead ends: 151 [2022-11-21 16:42:19,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:42:19,834 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 63 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:19,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 372 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-21 16:42:19,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2022-11-21 16:42:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.280701754385965) internal successors, (146), 121 states have internal predecessors, (146), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-11-21 16:42:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 185 transitions. [2022-11-21 16:42:19,866 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 185 transitions. Word has length 52 [2022-11-21 16:42:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:19,867 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 185 transitions. [2022-11-21 16:42:19,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-11-21 16:42:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 185 transitions. [2022-11-21 16:42:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 16:42:19,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:19,869 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:42:19,870 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:19,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2141595306, now seen corresponding path program 1 times [2022-11-21 16:42:19,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:19,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565869323] [2022-11-21 16:42:19,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:42:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:42:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:20,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:20,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565869323] [2022-11-21 16:42:20,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565869323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:20,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:20,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:20,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494222815] [2022-11-21 16:42:20,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:20,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:20,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:20,022 INFO L87 Difference]: Start difference. First operand 146 states and 185 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:42:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:20,173 INFO L93 Difference]: Finished difference Result 294 states and 382 transitions. [2022-11-21 16:42:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:42:20,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-11-21 16:42:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:20,178 INFO L225 Difference]: With dead ends: 294 [2022-11-21 16:42:20,179 INFO L226 Difference]: Without dead ends: 156 [2022-11-21 16:42:20,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:42:20,191 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 65 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:20,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 291 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-21 16:42:20,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2022-11-21 16:42:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 123 states have internal predecessors, (148), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2022-11-21 16:42:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 187 transitions. [2022-11-21 16:42:20,219 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 187 transitions. Word has length 52 [2022-11-21 16:42:20,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:20,219 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 187 transitions. [2022-11-21 16:42:20,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:42:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2022-11-21 16:42:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 16:42:20,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:20,221 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:20,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:42:20,221 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1730670164, now seen corresponding path program 1 times [2022-11-21 16:42:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:20,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636685893] [2022-11-21 16:42:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:42:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:42:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:20,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:20,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636685893] [2022-11-21 16:42:20,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636685893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:20,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:20,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:20,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315143767] [2022-11-21 16:42:20,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:20,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:20,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:20,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:20,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:20,324 INFO L87 Difference]: Start difference. First operand 148 states and 187 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:42:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:20,598 INFO L93 Difference]: Finished difference Result 428 states and 559 transitions. [2022-11-21 16:42:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:42:20,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-11-21 16:42:20,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:20,605 INFO L225 Difference]: With dead ends: 428 [2022-11-21 16:42:20,605 INFO L226 Difference]: Without dead ends: 288 [2022-11-21 16:42:20,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:42:20,608 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 211 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:20,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 304 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:42:20,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-21 16:42:20,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2022-11-21 16:42:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 216 states have (on average 1.25) internal successors, (270), 227 states have internal predecessors, (270), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2022-11-21 16:42:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 357 transitions. [2022-11-21 16:42:20,680 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 357 transitions. Word has length 52 [2022-11-21 16:42:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:20,683 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 357 transitions. [2022-11-21 16:42:20,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-11-21 16:42:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 357 transitions. [2022-11-21 16:42:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 16:42:20,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:20,690 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:20,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:42:20,691 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:20,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash 742025993, now seen corresponding path program 1 times [2022-11-21 16:42:20,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:20,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332817148] [2022-11-21 16:42:20,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:42:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 16:42:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:42:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:42:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:42:20,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:20,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332817148] [2022-11-21 16:42:20,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332817148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:20,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:20,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:42:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034784166] [2022-11-21 16:42:20,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:20,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:42:20,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:20,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:42:20,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:42:20,863 INFO L87 Difference]: Start difference. First operand 280 states and 357 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:42:21,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:21,196 INFO L93 Difference]: Finished difference Result 568 states and 737 transitions. [2022-11-21 16:42:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:42:21,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-21 16:42:21,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:21,199 INFO L225 Difference]: With dead ends: 568 [2022-11-21 16:42:21,199 INFO L226 Difference]: Without dead ends: 296 [2022-11-21 16:42:21,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:42:21,201 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 128 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:21,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 420 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:42:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-11-21 16:42:21,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2022-11-21 16:42:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 212 states have (on average 1.2169811320754718) internal successors, (258), 223 states have internal predecessors, (258), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2022-11-21 16:42:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 345 transitions. [2022-11-21 16:42:21,233 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 345 transitions. Word has length 54 [2022-11-21 16:42:21,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:21,233 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 345 transitions. [2022-11-21 16:42:21,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:42:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 345 transitions. [2022-11-21 16:42:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 16:42:21,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:21,235 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:21,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:42:21,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:21,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:21,236 INFO L85 PathProgramCache]: Analyzing trace with hash -731489466, now seen corresponding path program 1 times [2022-11-21 16:42:21,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:21,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343276228] [2022-11-21 16:42:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:21,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:42:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:42:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:42:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 16:42:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:21,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:21,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343276228] [2022-11-21 16:42:21,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343276228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:21,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:21,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:42:21,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115190994] [2022-11-21 16:42:21,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:21,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:42:21,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:42:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:42:21,536 INFO L87 Difference]: Start difference. First operand 276 states and 345 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:42:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:22,587 INFO L93 Difference]: Finished difference Result 873 states and 1145 transitions. [2022-11-21 16:42:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-21 16:42:22,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-11-21 16:42:22,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:22,591 INFO L225 Difference]: With dead ends: 873 [2022-11-21 16:42:22,592 INFO L226 Difference]: Without dead ends: 656 [2022-11-21 16:42:22,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 16:42:22,595 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 476 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:22,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 812 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 16:42:22,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2022-11-21 16:42:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 533. [2022-11-21 16:42:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 410 states have (on average 1.2146341463414634) internal successors, (498), 434 states have internal predecessors, (498), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2022-11-21 16:42:22,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 667 transitions. [2022-11-21 16:42:22,663 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 667 transitions. Word has length 56 [2022-11-21 16:42:22,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:22,664 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 667 transitions. [2022-11-21 16:42:22,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:42:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 667 transitions. [2022-11-21 16:42:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-21 16:42:22,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:22,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:22,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:42:22,666 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:22,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash -981985599, now seen corresponding path program 1 times [2022-11-21 16:42:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:22,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909491758] [2022-11-21 16:42:22,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:42:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:42:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:42:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:42:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 16:42:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:42:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 16:42:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 16:42:22,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:22,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909491758] [2022-11-21 16:42:22,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909491758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:42:22,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433480780] [2022-11-21 16:42:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:22,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:42:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:42:22,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:42:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:42:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:23,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:42:23,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:23,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:42:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 16:42:23,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433480780] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:42:23,531 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:42:23,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-21 16:42:23,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386518426] [2022-11-21 16:42:23,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:42:23,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-21 16:42:23,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:23,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-21 16:42:23,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:42:23,534 INFO L87 Difference]: Start difference. First operand 533 states and 667 transitions. Second operand has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-21 16:42:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:24,867 INFO L93 Difference]: Finished difference Result 1171 states and 1508 transitions. [2022-11-21 16:42:24,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-21 16:42:24,867 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-11-21 16:42:24,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:24,873 INFO L225 Difference]: With dead ends: 1171 [2022-11-21 16:42:24,873 INFO L226 Difference]: Without dead ends: 695 [2022-11-21 16:42:24,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=361, Invalid=1709, Unknown=0, NotChecked=0, Total=2070 [2022-11-21 16:42:24,877 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 440 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:24,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1295 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:42:24,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2022-11-21 16:42:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 598. [2022-11-21 16:42:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 454 states have (on average 1.2026431718061674) internal successors, (546), 486 states have internal predecessors, (546), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2022-11-21 16:42:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 721 transitions. [2022-11-21 16:42:24,969 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 721 transitions. Word has length 96 [2022-11-21 16:42:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:24,970 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 721 transitions. [2022-11-21 16:42:24,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-21 16:42:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 721 transitions. [2022-11-21 16:42:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-21 16:42:24,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:24,974 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:24,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:25,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 16:42:25,181 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:25,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:25,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1684606529, now seen corresponding path program 1 times [2022-11-21 16:42:25,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:25,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633982482] [2022-11-21 16:42:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:25,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:42:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-21 16:42:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 16:42:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:42:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:42:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:42:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:42:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:42:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 16:42:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 16:42:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 16:42:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 92 proven. 28 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-21 16:42:25,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:25,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633982482] [2022-11-21 16:42:25,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633982482] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:42:25,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398945337] [2022-11-21 16:42:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:42:25,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:42:25,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:42:25,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:42:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:25,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 16:42:25,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 138 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-21 16:42:26,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:42:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-21 16:42:26,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398945337] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:42:26,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:42:26,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2022-11-21 16:42:26,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185357281] [2022-11-21 16:42:26,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:42:26,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-21 16:42:26,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:26,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-21 16:42:26,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2022-11-21 16:42:26,593 INFO L87 Difference]: Start difference. First operand 598 states and 721 transitions. Second operand has 25 states, 25 states have (on average 8.0) internal successors, (200), 22 states have internal predecessors, (200), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2022-11-21 16:42:27,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:27,839 INFO L93 Difference]: Finished difference Result 1242 states and 1546 transitions. [2022-11-21 16:42:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-21 16:42:27,840 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.0) internal successors, (200), 22 states have internal predecessors, (200), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) Word has length 168 [2022-11-21 16:42:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:27,841 INFO L225 Difference]: With dead ends: 1242 [2022-11-21 16:42:27,841 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:42:27,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 351 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2022-11-21 16:42:27,846 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 745 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:27,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 850 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:42:27,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:42:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:42:27,847 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) [2022-11-21 16:42:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:42:27,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2022-11-21 16:42:27,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:27,848 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:42:27,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.0) internal successors, (200), 22 states have internal predecessors, (200), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2022-11-21 16:42:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:42:27,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:42:27,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:42:27,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:28,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:42:28,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:42:35,745 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 713 719) no Hoare annotation was computed. [2022-11-21 16:42:35,745 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 713 719) the Hoare annotation is: true [2022-11-21 16:42:35,746 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: true [2022-11-21 16:42:35,747 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2022-11-21 16:42:35,748 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-21 16:42:35,751 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse3 .cse1 .cse2 (and .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-21 16:42:35,753 INFO L895 garLoopResultBuilder]: At program point L766-1(lines 747 771) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse5 .cse13 .cse14 .cse7)) (.cse10 (and .cse8 .cse13 .cse14 .cse7)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse8 .cse2)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (let ((.cse6 (= ~waterLevel~0 1))) (or .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 .cse7) .cse3 (not (<= |old(~waterLevel~0)| 2)) (and .cse8 .cse6 .cse7))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse9 .cse3 .cse10 .cse11) (or .cse12 (and .cse5 .cse2 .cse7) .cse4 .cse9 (and .cse8 .cse2 .cse7) .cse3 .cse10 .cse11) (or .cse12 .cse0 .cse1 .cse3)))) [2022-11-21 16:42:35,754 INFO L895 garLoopResultBuilder]: At program point L795(lines 788 798) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse2 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5 .cse0 .cse6) (or .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse0 .cse6)))) [2022-11-21 16:42:35,755 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2022-11-21 16:42:35,755 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 686 712) no Hoare annotation was computed. [2022-11-21 16:42:35,755 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse1 .cse2 .cse8) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4) (or .cse6 .cse4 .cse5 (and .cse7 .cse2 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-21 16:42:35,755 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-11-21 16:42:35,756 INFO L899 garLoopResultBuilder]: For program point L181-1(line 181) no Hoare annotation was computed. [2022-11-21 16:42:35,756 INFO L899 garLoopResultBuilder]: For program point L693-2(lines 689 711) no Hoare annotation was computed. [2022-11-21 16:42:35,756 INFO L899 garLoopResultBuilder]: For program point L755(lines 755 763) no Hoare annotation was computed. [2022-11-21 16:42:35,756 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 768) no Hoare annotation was computed. [2022-11-21 16:42:35,757 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 208) no Hoare annotation was computed. [2022-11-21 16:42:35,757 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-11-21 16:42:35,757 INFO L895 garLoopResultBuilder]: At program point L194-1(lines 186 214) the Hoare annotation is: (let ((.cse8 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse9 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (and .cse15 .cse9 .cse10 .cse11)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse8 .cse13 .cse9 .cse16 .cse17 .cse10 .cse14)) (.cse1 (= 0 ~systemActive~0)) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (and .cse15 .cse9 .cse16 .cse17 .cse10 .cse14))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse1 .cse7 .cse6) (or .cse0 (and .cse8 .cse9 .cse10 .cse11) .cse5 .cse1 .cse2) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse1 (= ~waterLevel~0 1) .cse12) (or (and .cse13 .cse9 .cse10 .cse11 .cse14) (and .cse15 .cse9 .cse10 .cse11 .cse14) .cse3 .cse4 .cse1 .cse12 .cse7 .cse6)))) [2022-11-21 16:42:35,757 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 16:42:35,758 INFO L895 garLoopResultBuilder]: At program point L661(lines 656 664) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse11 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (and .cse11 .cse0 .cse1 .cse16 .cse17 .cse3)) (.cse13 (and .cse7 .cse1 .cse16 .cse17 .cse3)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0))) (and (let ((.cse2 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5 .cse6 (and .cse7 .cse1 .cse2 .cse3))) (let ((.cse8 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (and .cse7 .cse8 .cse9) .cse10 (and .cse11 .cse8 .cse9) .cse5 .cse6 (not (<= 2 |old(~waterLevel~0)|)))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse12 .cse13 .cse5 .cse14) (or .cse15 .cse4 .cse12 .cse13 (and .cse7 .cse1 .cse9 .cse3) (and .cse0 .cse1 .cse9 .cse3) .cse5 .cse14) (or .cse15 .cse10 (and .cse7 .cse1 .cse9) .cse5)))) [2022-11-21 16:42:35,758 INFO L895 garLoopResultBuilder]: At program point L785(lines 780 787) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (and .cse5 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse0 (= ~waterLevel~0 1) .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 2)) .cse0 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse0 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6) .cse0 .cse3 .cse4)))) [2022-11-21 16:42:35,758 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2022-11-21 16:42:35,759 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse2 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5 .cse0 .cse6) (or .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse0 .cse6)))) [2022-11-21 16:42:35,759 INFO L895 garLoopResultBuilder]: At program point L183(lines 176 185) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-11-21 16:42:35,759 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-21 16:42:35,760 INFO L895 garLoopResultBuilder]: At program point L629(lines 624 632) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse2 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5 .cse0 .cse6) (or .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse0 .cse6)))) [2022-11-21 16:42:35,760 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 596) no Hoare annotation was computed. [2022-11-21 16:42:35,760 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 686 712) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse2 (< 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or (and .cse1 .cse2 .cse8) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4) (or .cse6 .cse4 .cse5 (and .cse7 .cse2 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-21 16:42:35,760 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 588 599) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse2 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse0 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5 .cse0 .cse6) (or .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse0 .cse6)))) [2022-11-21 16:42:35,761 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 686 712) no Hoare annotation was computed. [2022-11-21 16:42:35,761 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-21 16:42:35,761 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (and .cse10 .cse6 .cse12 .cse13 .cse7 .cse9 (not .cse3))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse6 .cse12 .cse13 .cse7 .cse9)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse6 .cse7 .cse8 .cse9) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse3 (= ~waterLevel~0 1) .cse11) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse10 .cse6 .cse12 .cse7 .cse8) .cse3 .cse11)))) [2022-11-21 16:42:35,761 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-11-21 16:42:35,762 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2022-11-21 16:42:35,762 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: true [2022-11-21 16:42:35,762 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2022-11-21 16:42:35,763 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-21 16:42:35,763 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-11-21 16:42:35,763 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2022-11-21 16:42:35,763 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2022-11-21 16:42:35,763 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2022-11-21 16:42:35,763 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2022-11-21 16:42:35,764 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-21 16:42:35,764 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 933) no Hoare annotation was computed. [2022-11-21 16:42:35,764 INFO L895 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:42:35,764 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2022-11-21 16:42:35,764 INFO L895 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:42:35,764 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2022-11-21 16:42:35,765 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2022-11-21 16:42:35,765 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 158) no Hoare annotation was computed. [2022-11-21 16:42:35,765 INFO L902 garLoopResultBuilder]: At program point L135(lines 127 137) the Hoare annotation is: true [2022-11-21 16:42:35,765 INFO L895 garLoopResultBuilder]: At program point L965(lines 916 966) the Hoare annotation is: false [2022-11-21 16:42:35,765 INFO L902 garLoopResultBuilder]: At program point L160(lines 141 163) the Hoare annotation is: true [2022-11-21 16:42:35,765 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:42:35,766 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:42:35,766 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:42:35,766 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:42:35,766 INFO L895 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:42:35,766 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-11-21 16:42:35,766 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2022-11-21 16:42:35,767 INFO L895 garLoopResultBuilder]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse7 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5))) [2022-11-21 16:42:35,767 INFO L895 garLoopResultBuilder]: At program point L929(line 929) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse7 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5))) [2022-11-21 16:42:35,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:42:35,767 INFO L895 garLoopResultBuilder]: At program point L868(lines 863 870) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-11-21 16:42:35,768 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2022-11-21 16:42:35,768 INFO L895 garLoopResultBuilder]: At program point L955-2(lines 947 960) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-11-21 16:42:35,768 INFO L899 garLoopResultBuilder]: For program point L918(lines 917 964) no Hoare annotation was computed. [2022-11-21 16:42:35,768 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 960) no Hoare annotation was computed. [2022-11-21 16:42:35,769 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-11-21 16:42:35,769 INFO L902 garLoopResultBuilder]: At program point L968(lines 907 972) the Hoare annotation is: true [2022-11-21 16:42:35,769 INFO L895 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-21 16:42:35,769 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 721 745) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-21 16:42:35,770 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:42:35,770 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 675) no Hoare annotation was computed. [2022-11-21 16:42:35,770 INFO L895 garLoopResultBuilder]: At program point L859(lines 844 862) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= 2 ~waterLevel~0)) (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (not (<= ~waterLevel~0 2)) .cse1)) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:42:35,772 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 737) no Hoare annotation was computed. [2022-11-21 16:42:35,772 INFO L899 garLoopResultBuilder]: For program point L725(lines 725 742) no Hoare annotation was computed. [2022-11-21 16:42:35,772 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 857) no Hoare annotation was computed. [2022-11-21 16:42:35,773 INFO L899 garLoopResultBuilder]: For program point L853-2(lines 853 857) no Hoare annotation was computed. [2022-11-21 16:42:35,773 INFO L895 garLoopResultBuilder]: At program point L777(lines 772 779) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-21 16:42:35,773 INFO L895 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-21 16:42:35,773 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 721 745) no Hoare annotation was computed. [2022-11-21 16:42:35,774 INFO L895 garLoopResultBuilder]: At program point L674(lines 665 678) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-11-21 16:42:35,774 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 721 745) no Hoare annotation was computed. [2022-11-21 16:42:35,774 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2022-11-21 16:42:35,774 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2022-11-21 16:42:35,774 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2022-11-21 16:42:35,774 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2022-11-21 16:42:35,775 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2022-11-21 16:42:35,775 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2022-11-21 16:42:35,778 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:35,780 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:42:35,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:42:35 BoogieIcfgContainer [2022-11-21 16:42:35,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:42:35,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:42:35,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:42:35,850 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:42:35,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:42:18" (3/4) ... [2022-11-21 16:42:35,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:42:35,865 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 16:42:35,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:42:35,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:42:35,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:42:35,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:42:35,866 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:42:35,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-21 16:42:35,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 16:42:35,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:42:35,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:42:35,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:42:35,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:42:35,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:42:35,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:42:35,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-21 16:42:35,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2022-11-21 16:42:35,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-21 16:42:35,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:42:35,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2022-11-21 16:42:35,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) [2022-11-21 16:42:35,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2022-11-21 16:42:35,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:42:35,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2022-11-21 16:42:35,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:42:35,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:42:35,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-21 16:42:35,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-21 16:42:35,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && 2 == waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-21 16:42:35,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-21 16:42:35,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:42:35,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:42:35,962 INFO L158 Benchmark]: Toolchain (without parser) took 19029.55ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 117.0MB in the beginning and 130.8MB in the end (delta: -13.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,962 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:42:35,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.99ms. Allocated memory is still 144.7MB. Free memory was 117.0MB in the beginning and 98.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.04ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 95.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,963 INFO L158 Benchmark]: Boogie Preprocessor took 28.70ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,963 INFO L158 Benchmark]: RCFGBuilder took 581.60ms. Allocated memory is still 144.7MB. Free memory was 93.9MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,964 INFO L158 Benchmark]: TraceAbstraction took 17684.85ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 76.3MB in the beginning and 137.2MB in the end (delta: -60.9MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,965 INFO L158 Benchmark]: Witness Printer took 111.36ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 130.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:42:35,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.99ms. Allocated memory is still 144.7MB. Free memory was 117.0MB in the beginning and 98.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.04ms. Allocated memory is still 144.7MB. Free memory was 98.1MB in the beginning and 95.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.70ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 93.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.60ms. Allocated memory is still 144.7MB. Free memory was 93.9MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17684.85ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 76.3MB in the beginning and 137.2MB in the end (delta: -60.9MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Witness Printer took 111.36ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 130.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2366 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2332 mSDsluCounter, 5024 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3820 mSDsCounter, 770 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3430 IncrementalHoareTripleChecker+Invalid, 4200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 770 mSolverCounterUnsat, 1204 mSDtfsCounter, 3430 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 809 GetRequests, 639 SyntacticMatches, 10 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=10, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 263 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1392 PreInvPairs, 1665 NumberOfFragments, 2734 HoareAnnotationTreeSize, 1392 FomulaSimplifications, 2030 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 22119 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 941 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1190 ConstructedInterpolants, 0 QuantifiedInterpolants, 2450 SizeOfPredicates, 6 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 602/699 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: 588]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && 2 == waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2022-11-21 16:42:36,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e120696a-b161-43f9-92f2-e36a044294e6/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE