./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:57:32,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:57:32,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:57:32,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:57:32,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:57:32,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:57:32,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:57:32,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:57:32,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:57:32,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:57:32,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:57:32,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:57:32,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:57:32,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:57:32,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:57:32,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:57:32,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:57:32,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:57:32,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:57:32,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:57:32,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:57:32,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:57:32,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:57:32,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:57:32,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:57:32,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:57:32,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:57:32,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:57:32,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:57:32,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:57:32,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:57:32,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:57:32,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:57:32,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:57:32,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:57:32,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:57:32,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:57:32,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:57:32,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:57:32,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:57:32,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:57:32,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:57:32,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:57:32,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:57:32,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:57:32,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:57:32,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:57:32,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:57:32,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:57:32,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:57:32,838 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:57:32,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:57:32,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:57:32,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:57:32,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:57:32,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:57:32,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:57:32,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:57:32,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:57:32,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:57:32,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:57:32,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:57:32,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:57:32,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:57:32,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:57:32,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:57:32,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:32,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:57:32,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:57:32,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:57:32,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:57:32,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:57:32,860 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:57:32,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:57:32,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:57:32,861 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_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2022-11-18 19:57:33,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:57:33,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:57:33,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:57:33,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:57:33,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:57:33,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2022-11-18 19:57:33,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/data/3baaa8829/1f8a10f746664b43907c298eeac57ccd/FLAG39c3b508c [2022-11-18 19:57:33,672 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:57:33,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2022-11-18 19:57:33,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/data/3baaa8829/1f8a10f746664b43907c298eeac57ccd/FLAG39c3b508c [2022-11-18 19:57:34,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/data/3baaa8829/1f8a10f746664b43907c298eeac57ccd [2022-11-18 19:57:34,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:57:34,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:57:34,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:34,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:57:34,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:57:34,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a70359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34, skipping insertion in model container [2022-11-18 19:57:34,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:57:34,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:57:34,346 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2022-11-18 19:57:34,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:34,468 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:57:34,508 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2022-11-18 19:57:34,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:34,581 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:57:34,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34 WrapperNode [2022-11-18 19:57:34,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:34,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:34,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:57:34,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:57:34,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,627 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 185 [2022-11-18 19:57:34,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:34,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:57:34,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:57:34,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:57:34,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,675 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:57:34,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:57:34,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:57:34,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:57:34,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (1/1) ... [2022-11-18 19:57:34,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:34,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:34,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:57:34,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:57:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:57:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 19:57:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 19:57:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 19:57:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 19:57:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 19:57:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 19:57:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 19:57:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 19:57:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 19:57:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 19:57:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:57:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:57:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-18 19:57:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-18 19:57:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:57:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 19:57:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 19:57:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:57:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:57:34,841 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:57:34,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:57:35,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:57:35,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:57:35,202 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:57:35,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:35 BoogieIcfgContainer [2022-11-18 19:57:35,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:57:35,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:57:35,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:57:35,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:57:35,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:57:34" (1/3) ... [2022-11-18 19:57:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b604b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:35, skipping insertion in model container [2022-11-18 19:57:35,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:34" (2/3) ... [2022-11-18 19:57:35,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b604b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:35, skipping insertion in model container [2022-11-18 19:57:35,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:35" (3/3) ... [2022-11-18 19:57:35,223 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2022-11-18 19:57:35,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:57:35,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:57:35,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:57:35,301 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;@bbcf0d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:57:35,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:57:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-18 19:57:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 19:57:35,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:35,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:35,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:35,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 460925055, now seen corresponding path program 1 times [2022-11-18 19:57:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:35,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609764351] [2022-11-18 19:57:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:35,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:35,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609764351] [2022-11-18 19:57:35,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609764351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:35,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:35,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:35,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764387880] [2022-11-18 19:57:35,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:35,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:57:35,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:35,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:57:35,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:57:35,592 INFO L87 Difference]: Start difference. First operand has 94 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:35,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:35,652 INFO L93 Difference]: Finished difference Result 180 states and 243 transitions. [2022-11-18 19:57:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:57:35,654 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-18 19:57:35,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:35,676 INFO L225 Difference]: With dead ends: 180 [2022-11-18 19:57:35,677 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 19:57:35,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:57:35,700 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:35,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 19:57:35,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-18 19:57:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 19:57:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-11-18 19:57:35,751 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 23 [2022-11-18 19:57:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:35,752 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-11-18 19:57:35,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-11-18 19:57:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:57:35,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:35,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:35,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:57:35,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:35,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:35,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1826997256, now seen corresponding path program 1 times [2022-11-18 19:57:35,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:35,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017058492] [2022-11-18 19:57:35,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:35,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:57:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:35,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:35,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017058492] [2022-11-18 19:57:35,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017058492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:35,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:35,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:57:35,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334522163] [2022-11-18 19:57:35,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:35,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:35,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:35,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:35,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:35,889 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:35,914 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2022-11-18 19:57:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:35,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-18 19:57:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:35,917 INFO L225 Difference]: With dead ends: 135 [2022-11-18 19:57:35,917 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 19:57:35,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:35,920 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:35,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 175 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:35,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 19:57:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-18 19:57:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 19:57:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-11-18 19:57:35,935 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 24 [2022-11-18 19:57:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:35,935 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-11-18 19:57:35,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-11-18 19:57:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 19:57:35,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:35,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:35,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:57:35,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:35,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash 844834205, now seen corresponding path program 1 times [2022-11-18 19:57:35,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:35,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665846432] [2022-11-18 19:57:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:35,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:36,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:36,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665846432] [2022-11-18 19:57:36,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665846432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:36,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:36,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:57:36,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468008755] [2022-11-18 19:57:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:36,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:36,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:36,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:36,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:36,047 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:36,084 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2022-11-18 19:57:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:36,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-18 19:57:36,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:36,098 INFO L225 Difference]: With dead ends: 145 [2022-11-18 19:57:36,098 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 19:57:36,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:36,101 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:36,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 95 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:36,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 19:57:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-18 19:57:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 19:57:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-11-18 19:57:36,120 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 29 [2022-11-18 19:57:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:36,120 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-11-18 19:57:36,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-11-18 19:57:36,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 19:57:36,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:36,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:36,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:57:36,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:36,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:36,124 INFO L85 PathProgramCache]: Analyzing trace with hash -589702700, now seen corresponding path program 1 times [2022-11-18 19:57:36,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:36,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085011832] [2022-11-18 19:57:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:36,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 19:57:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:36,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:36,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085011832] [2022-11-18 19:57:36,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085011832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:36,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:36,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:57:36,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886318184] [2022-11-18 19:57:36,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:36,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:36,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:36,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:36,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:36,381 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:57:36,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:36,720 INFO L93 Difference]: Finished difference Result 223 states and 280 transitions. [2022-11-18 19:57:36,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:36,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2022-11-18 19:57:36,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:36,723 INFO L225 Difference]: With dead ends: 223 [2022-11-18 19:57:36,723 INFO L226 Difference]: Without dead ends: 154 [2022-11-18 19:57:36,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:57:36,728 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 169 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:36,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 263 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-18 19:57:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-11-18 19:57:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 119 states have internal predecessors, (138), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-18 19:57:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 179 transitions. [2022-11-18 19:57:36,785 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 179 transitions. Word has length 39 [2022-11-18 19:57:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:36,786 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 179 transitions. [2022-11-18 19:57:36,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:57:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2022-11-18 19:57:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 19:57:36,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:36,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:36,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:57:36,788 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:36,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:36,789 INFO L85 PathProgramCache]: Analyzing trace with hash -504032566, now seen corresponding path program 1 times [2022-11-18 19:57:36,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:36,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580445676] [2022-11-18 19:57:36,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:36,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:36,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:36,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580445676] [2022-11-18 19:57:36,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580445676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:36,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:36,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:36,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221234277] [2022-11-18 19:57:36,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:36,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:36,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:36,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:36,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:36,972 INFO L87 Difference]: Start difference. First operand 148 states and 179 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:37,333 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2022-11-18 19:57:37,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 19:57:37,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-18 19:57:37,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:37,337 INFO L225 Difference]: With dead ends: 431 [2022-11-18 19:57:37,337 INFO L226 Difference]: Without dead ends: 290 [2022-11-18 19:57:37,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:57:37,340 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 201 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:37,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 379 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:37,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-18 19:57:37,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 242. [2022-11-18 19:57:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 183 states have (on average 1.2459016393442623) internal successors, (228), 194 states have internal predecessors, (228), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-11-18 19:57:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 298 transitions. [2022-11-18 19:57:37,381 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 298 transitions. Word has length 45 [2022-11-18 19:57:37,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:37,382 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 298 transitions. [2022-11-18 19:57:37,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 298 transitions. [2022-11-18 19:57:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 19:57:37,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:37,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:37,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:57:37,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:37,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:37,385 INFO L85 PathProgramCache]: Analyzing trace with hash -722887284, now seen corresponding path program 1 times [2022-11-18 19:57:37,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:37,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510505608] [2022-11-18 19:57:37,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:37,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:37,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:37,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510505608] [2022-11-18 19:57:37,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510505608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:37,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:37,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:37,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507768334] [2022-11-18 19:57:37,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:37,583 INFO L87 Difference]: Start difference. First operand 242 states and 298 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 19:57:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:37,834 INFO L93 Difference]: Finished difference Result 264 states and 324 transitions. [2022-11-18 19:57:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:57:37,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-18 19:57:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:37,842 INFO L225 Difference]: With dead ends: 264 [2022-11-18 19:57:37,842 INFO L226 Difference]: Without dead ends: 262 [2022-11-18 19:57:37,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:37,851 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 125 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:37,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 347 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:37,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-11-18 19:57:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2022-11-18 19:57:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 183 states have (on average 1.2295081967213115) internal successors, (225), 194 states have internal predecessors, (225), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-11-18 19:57:37,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 295 transitions. [2022-11-18 19:57:37,889 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 295 transitions. Word has length 45 [2022-11-18 19:57:37,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:37,890 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 295 transitions. [2022-11-18 19:57:37,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 19:57:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 295 transitions. [2022-11-18 19:57:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-18 19:57:37,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:37,900 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] [2022-11-18 19:57:37,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:57:37,901 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:37,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:37,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1539826399, now seen corresponding path program 1 times [2022-11-18 19:57:37,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:37,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507455934] [2022-11-18 19:57:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:57:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:57:38,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:38,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507455934] [2022-11-18 19:57:38,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507455934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:38,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:38,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:38,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759754222] [2022-11-18 19:57:38,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:38,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:38,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:38,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:38,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:38,070 INFO L87 Difference]: Start difference. First operand 242 states and 295 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:38,280 INFO L93 Difference]: Finished difference Result 495 states and 616 transitions. [2022-11-18 19:57:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:38,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-18 19:57:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:38,286 INFO L225 Difference]: With dead ends: 495 [2022-11-18 19:57:38,286 INFO L226 Difference]: Without dead ends: 260 [2022-11-18 19:57:38,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:38,290 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 65 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:38,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 329 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:38,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-11-18 19:57:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 248. [2022-11-18 19:57:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2222222222222223) internal successors, (231), 200 states have internal predecessors, (231), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-11-18 19:57:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 301 transitions. [2022-11-18 19:57:38,326 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 301 transitions. Word has length 55 [2022-11-18 19:57:38,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:38,327 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 301 transitions. [2022-11-18 19:57:38,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 301 transitions. [2022-11-18 19:57:38,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-18 19:57:38,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:38,335 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] [2022-11-18 19:57:38,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:57:38,335 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:38,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1562458653, now seen corresponding path program 1 times [2022-11-18 19:57:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:38,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596108268] [2022-11-18 19:57:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:57:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:57:38,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:38,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596108268] [2022-11-18 19:57:38,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596108268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:38,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:38,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:38,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600520749] [2022-11-18 19:57:38,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:38,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:38,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:38,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:38,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:38,474 INFO L87 Difference]: Start difference. First operand 248 states and 301 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:38,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:38,647 INFO L93 Difference]: Finished difference Result 446 states and 546 transitions. [2022-11-18 19:57:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:57:38,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-18 19:57:38,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:38,651 INFO L225 Difference]: With dead ends: 446 [2022-11-18 19:57:38,651 INFO L226 Difference]: Without dead ends: 205 [2022-11-18 19:57:38,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:38,655 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 156 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:38,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 229 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-18 19:57:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 200. [2022-11-18 19:57:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.1973684210526316) internal successors, (182), 161 states have internal predecessors, (182), 24 states have call successors, (24), 21 states have call predecessors, (24), 23 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29) [2022-11-18 19:57:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 235 transitions. [2022-11-18 19:57:38,680 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 235 transitions. Word has length 55 [2022-11-18 19:57:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:38,681 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 235 transitions. [2022-11-18 19:57:38,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2022-11-18 19:57:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-18 19:57:38,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:38,683 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, 1, 1, 1] [2022-11-18 19:57:38,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:57:38,684 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:38,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1860054005, now seen corresponding path program 1 times [2022-11-18 19:57:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:38,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177221622] [2022-11-18 19:57:38,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:38,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 19:57:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:57:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:57:38,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:38,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177221622] [2022-11-18 19:57:38,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177221622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:38,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:38,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:57:38,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109312126] [2022-11-18 19:57:38,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:38,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:57:38,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:57:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:38,927 INFO L87 Difference]: Start difference. First operand 200 states and 235 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:57:39,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:39,756 INFO L93 Difference]: Finished difference Result 639 states and 773 transitions. [2022-11-18 19:57:39,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 19:57:39,756 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-11-18 19:57:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:39,760 INFO L225 Difference]: With dead ends: 639 [2022-11-18 19:57:39,761 INFO L226 Difference]: Without dead ends: 446 [2022-11-18 19:57:39,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 19:57:39,764 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 412 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:39,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 458 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:57:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-11-18 19:57:39,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 368. [2022-11-18 19:57:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 275 states have (on average 1.1745454545454546) internal successors, (323), 293 states have internal predecessors, (323), 47 states have call successors, (47), 41 states have call predecessors, (47), 45 states have return successors, (62), 46 states have call predecessors, (62), 47 states have call successors, (62) [2022-11-18 19:57:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 432 transitions. [2022-11-18 19:57:39,818 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 432 transitions. Word has length 59 [2022-11-18 19:57:39,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:39,819 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 432 transitions. [2022-11-18 19:57:39,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:57:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 432 transitions. [2022-11-18 19:57:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-18 19:57:39,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:39,822 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:39,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:57:39,823 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1925782386, now seen corresponding path program 1 times [2022-11-18 19:57:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:39,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670359934] [2022-11-18 19:57:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:39,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:57:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:57:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:57:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:57:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 19:57:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:57:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 19:57:40,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:40,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670359934] [2022-11-18 19:57:40,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670359934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:40,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965858419] [2022-11-18 19:57:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:40,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:40,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:40,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:57:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 19:57:40,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:57:40,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:57:40,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965858419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:40,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:57:40,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-11-18 19:57:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526667863] [2022-11-18 19:57:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:40,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:57:40,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:40,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:57:40,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:57:40,555 INFO L87 Difference]: Start difference. First operand 368 states and 432 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:57:40,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:40,742 INFO L93 Difference]: Finished difference Result 813 states and 958 transitions. [2022-11-18 19:57:40,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:57:40,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-11-18 19:57:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:40,749 INFO L225 Difference]: With dead ends: 813 [2022-11-18 19:57:40,749 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:57:40,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:57:40,752 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 72 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:40,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 960 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:57:40,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:57:40,754 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) [2022-11-18 19:57:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:57:40,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-11-18 19:57:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:40,756 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:57:40,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:57:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:57:40,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:57:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:57:40,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:40,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 19:57:40,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:57:43,979 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2022-11-18 19:57:43,979 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2022-11-18 19:57:43,980 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 530 541) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0) (or (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-11-18 19:57:43,980 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 530 541) no Hoare annotation was computed. [2022-11-18 19:57:43,980 INFO L899 garLoopResultBuilder]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2022-11-18 19:57:43,980 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 542 550) the Hoare annotation is: true [2022-11-18 19:57:43,980 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 542 550) no Hoare annotation was computed. [2022-11-18 19:57:43,981 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 542 550) no Hoare annotation was computed. [2022-11-18 19:57:43,981 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2022-11-18 19:57:43,981 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2022-11-18 19:57:43,981 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 335 364) the Hoare annotation is: true [2022-11-18 19:57:43,981 INFO L902 garLoopResultBuilder]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2022-11-18 19:57:43,981 INFO L899 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2022-11-18 19:57:43,982 INFO L902 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2022-11-18 19:57:43,982 INFO L902 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-11-18 19:57:43,982 INFO L899 garLoopResultBuilder]: For program point L341-1(line 341) no Hoare annotation was computed. [2022-11-18 19:57:43,982 INFO L902 garLoopResultBuilder]: At program point L360(lines 335 364) the Hoare annotation is: true [2022-11-18 19:57:43,982 INFO L899 garLoopResultBuilder]: For program point L356(line 356) no Hoare annotation was computed. [2022-11-18 19:57:43,982 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-11-18 19:57:43,983 INFO L895 garLoopResultBuilder]: At program point L510-2(lines 506 517) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse1 (and .cse0 .cse3) (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:57:43,983 INFO L895 garLoopResultBuilder]: At program point L473(lines 468 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:57:43,983 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2022-11-18 19:57:43,983 INFO L895 garLoopResultBuilder]: At program point L247(lines 242 249) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse1) .cse2) (or .cse3 .cse0 .cse2) (or .cse0 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:57:43,984 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 19:57:43,984 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse1 (and .cse0 .cse3) (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:57:43,984 INFO L899 garLoopResultBuilder]: For program point L198-1(line 198) no Hoare annotation was computed. [2022-11-18 19:57:43,984 INFO L895 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse1 .cse5)) (or .cse2 (and .cse4 .cse0) (and .cse0 .cse1) .cse3 .cse5))) [2022-11-18 19:57:43,984 INFO L899 garLoopResultBuilder]: For program point L483-1(line 483) no Hoare annotation was computed. [2022-11-18 19:57:43,985 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-18 19:57:43,985 INFO L895 garLoopResultBuilder]: At program point L211-1(lines 192 216) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse1 .cse5)) (or .cse2 (and .cse4 .cse0) (and .cse0 .cse1) .cse3 .cse5))) [2022-11-18 19:57:43,985 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2022-11-18 19:57:43,985 INFO L899 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2022-11-18 19:57:43,986 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-18 19:57:43,986 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2022-11-18 19:57:43,986 INFO L895 garLoopResultBuilder]: At program point L266(lines 261 269) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:57:43,986 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2022-11-18 19:57:43,986 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2022-11-18 19:57:43,987 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2022-11-18 19:57:43,987 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2022-11-18 19:57:43,987 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2022-11-18 19:57:43,987 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2022-11-18 19:57:43,987 INFO L895 garLoopResultBuilder]: At program point L485-1(lines 477 501) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse8 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (and .cse8 .cse6)) (.cse2 (not .cse4)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6)) (or .cse7 .cse0 .cse2 .cse3) (or (and .cse5 .cse8) .cse7 .cse2 (and .cse0 .cse1 .cse4 .cse8) .cse3)))) [2022-11-18 19:57:43,987 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2022-11-18 19:57:43,988 INFO L895 garLoopResultBuilder]: At program point L448(lines 444 450) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:57:43,988 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-18 19:57:43,988 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-11-18 19:57:43,988 INFO L902 garLoopResultBuilder]: At program point L403(lines 396 405) the Hoare annotation is: true [2022-11-18 19:57:43,988 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-18 19:57:43,989 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-18 19:57:43,989 INFO L902 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2022-11-18 19:57:43,989 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:57:43,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:57:43,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:57:43,989 INFO L895 garLoopResultBuilder]: At program point L330(lines 325 332) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-18 19:57:43,989 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2022-11-18 19:57:43,990 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-18 19:57:43,990 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-11-18 19:57:43,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:57:43,990 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-11-18 19:57:43,990 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-18 19:57:43,990 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-11-18 19:57:43,991 INFO L895 garLoopResultBuilder]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:57:43,991 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-11-18 19:57:43,991 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-11-18 19:57:43,991 INFO L895 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:57:43,991 INFO L895 garLoopResultBuilder]: At program point L455(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:57:43,991 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-11-18 19:57:43,992 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-11-18 19:57:43,992 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-11-18 19:57:43,992 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 518 529) no Hoare annotation was computed. [2022-11-18 19:57:43,992 INFO L899 garLoopResultBuilder]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2022-11-18 19:57:43,992 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 518 529) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-18 19:57:43,993 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse7 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse2 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5) (or .cse2 .cse6 .cse5) (or .cse0 .cse2 .cse6 .cse4)))) [2022-11-18 19:57:43,993 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2022-11-18 19:57:43,993 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-11-18 19:57:43,993 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2022-11-18 19:57:43,993 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-11-18 19:57:43,993 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse5 .cse2))) [2022-11-18 19:57:43,994 INFO L895 garLoopResultBuilder]: At program point L232-2(lines 225 241) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse0 .cse2) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1| ~methaneLevelCritical~0)) .cse4 .cse0 .cse5)))) [2022-11-18 19:57:43,994 INFO L899 garLoopResultBuilder]: For program point L230-1(line 230) no Hoare annotation was computed. [2022-11-18 19:57:43,994 INFO L895 garLoopResultBuilder]: At program point L321(lines 306 324) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse6) (or .cse5 .cse2 .cse6 .cse4))) [2022-11-18 19:57:43,994 INFO L895 garLoopResultBuilder]: At program point L222(lines 217 224) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-18 19:57:43,995 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2022-11-18 19:57:43,995 INFO L899 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2022-11-18 19:57:43,995 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-11-18 19:57:43,995 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2022-11-18 19:57:43,995 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 166 190) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-18 19:57:43,996 INFO L895 garLoopResultBuilder]: At program point L592(lines 583 596) the Hoare annotation is: (let ((.cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse9 (= ~pumpRunning~0 0)) (.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (and .cse8 .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse8 .cse0 .cse5) (or .cse7 .cse8 .cse0 .cse2) (or .cse0 .cse4 .cse2 .cse6)))) [2022-11-18 19:57:43,996 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 166 190) no Hoare annotation was computed. [2022-11-18 19:57:43,996 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2022-11-18 19:57:43,996 INFO L902 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: true [2022-11-18 19:57:43,996 INFO L899 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2022-11-18 19:57:43,996 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2022-11-18 19:57:43,996 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2022-11-18 19:57:44,000 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:44,002 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:57:44,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:57:44 BoogieIcfgContainer [2022-11-18 19:57:44,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:57:44,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:57:44,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:57:44,043 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:57:44,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:35" (3/4) ... [2022-11-18 19:57:44,046 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:57:44,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 19:57:44,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 19:57:44,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 19:57:44,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 19:57:44,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 19:57:44,053 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 19:57:44,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:57:44,054 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-18 19:57:44,067 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 19:57:44,067 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:57:44,067 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:57:44,068 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:57:44,068 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:57:44,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) [2022-11-18 19:57:44,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2022-11-18 19:57:44,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((tmp == 0 && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || (tmp == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 0)) || !(methaneLevelCritical == 0)) [2022-11-18 19:57:44,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || (1 <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) [2022-11-18 19:57:44,105 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-18 19:57:44,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == 0 && tmp == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-11-18 19:57:44,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) [2022-11-18 19:57:44,106 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(waterLevel == 1) || 1 <= \result) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) [2022-11-18 19:57:44,107 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-11-18 19:57:44,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:57:44,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:57:44,148 INFO L158 Benchmark]: Toolchain (without parser) took 10124.67ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 84.5MB in the beginning and 175.6MB in the end (delta: -91.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,148 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:57:44,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.60ms. Allocated memory is still 127.9MB. Free memory was 84.3MB in the beginning and 93.2MB in the end (delta: -8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,149 INFO L158 Benchmark]: Boogie Preprocessor took 49.76ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,150 INFO L158 Benchmark]: RCFGBuilder took 526.25ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 73.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,150 INFO L158 Benchmark]: TraceAbstraction took 8833.30ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 72.2MB in the beginning and 180.9MB in the end (delta: -108.6MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,151 INFO L158 Benchmark]: Witness Printer took 104.91ms. Allocated memory is still 224.4MB. Free memory was 180.9MB in the beginning and 175.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:57:44,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.60ms. Allocated memory is still 127.9MB. Free memory was 84.3MB in the beginning and 93.2MB in the end (delta: -8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.76ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.25ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 73.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8833.30ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 72.2MB in the beginning and 180.9MB in the end (delta: -108.6MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Witness Printer took 104.91ms. Allocated memory is still 224.4MB. Free memory was 180.9MB in the beginning and 175.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 472]: 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 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1304 mSDsluCounter, 3353 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2364 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1530 IncrementalHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 989 mSDtfsCounter, 1530 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=9, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 169 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 859 PreInvPairs, 1003 NumberOfFragments, 1333 HoareAnnotationTreeSize, 859 FomulaSimplifications, 1605 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5359 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 989 SizeOfPredicates, 3 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 94/99 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: 389]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 1 <= \result) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(waterLevel == 1) || 1 <= \result) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (((tmp___0 == 0 && 1 <= \result) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || (1 <= tmp && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == 0 && tmp == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(1 == systemActive) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && ((((tmp == 0 && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || (tmp == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(waterLevel == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:57:44,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e45e2f5-8ce7-4292-b3bc-842f9ef67636/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE