./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 --- 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-4e7fbc6 [2022-11-23 15:42:53,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:42:53,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:42:53,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:42:53,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:42:53,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:42:53,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:42:53,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:42:53,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:42:53,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:42:53,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:42:53,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:42:53,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:42:53,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:42:53,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:42:53,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:42:53,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:42:53,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:42:53,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:42:53,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:42:53,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:42:53,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:42:53,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:42:53,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:42:53,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:42:53,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:42:53,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:42:53,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:42:53,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:42:53,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:42:53,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:42:53,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:42:53,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:42:53,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:42:53,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:42:53,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:42:53,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:42:53,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:42:53,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:42:53,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:42:53,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:42:53,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:42:53,842 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:42:53,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:42:53,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:42:53,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:42:53,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:42:53,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:42:53,844 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:42:53,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:42:53,845 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:42:53,845 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:42:53,845 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:42:53,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:42:53,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:42:53,846 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:42:53,847 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:42:53,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:42:53,847 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:42:53,848 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:42:53,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:42:53,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:42:53,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:42:53,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:42:53,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:42:53,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:42:53,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:42:53,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:42:53,851 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:42:53,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:42:53,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:42:53,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:42:53,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:42:53,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:42:53,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:42:53,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:42:53,853 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:42:53,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:42:53,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:42:53,854 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:42:53,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:42:53,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:42:53,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:42:53,855 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_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2022-11-23 15:42:54,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:42:54,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:42:54,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:42:54,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:42:54,223 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:42:54,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2022-11-23 15:42:57,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:42:57,625 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:42:57,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2022-11-23 15:42:57,635 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/data/42777735b/3796fe8a11174b8b9c723dfd2498146d/FLAGf4e01a031 [2022-11-23 15:42:57,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/data/42777735b/3796fe8a11174b8b9c723dfd2498146d [2022-11-23 15:42:57,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:42:57,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:42:57,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:42:57,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:42:57,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:42:57,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:57" (1/1) ... [2022-11-23 15:42:57,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d62c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:57, skipping insertion in model container [2022-11-23 15:42:57,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:57" (1/1) ... [2022-11-23 15:42:57,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:42:57,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:42:57,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2022-11-23 15:42:57,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:42:57,977 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:42:57,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c[640,653] [2022-11-23 15:42:58,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:42:58,057 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:42:58,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58 WrapperNode [2022-11-23 15:42:58,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:42:58,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:42:58,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:42:58,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:42:58,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,111 INFO L138 Inliner]: procedures = 31, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 225 [2022-11-23 15:42:58,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:42:58,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:42:58,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:42:58,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:42:58,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:42:58,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:42:58,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:42:58,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:42:58,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (1/1) ... [2022-11-23 15:42:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:42:58,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:58,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:42:58,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:42:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:42:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-23 15:42:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-23 15:42:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-11-23 15:42:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-11-23 15:42:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-11-23 15:42:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-11-23 15:42:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-11-23 15:42:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-11-23 15:42:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-11-23 15:42:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-11-23 15:42:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-11-23 15:42:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-11-23 15:42:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:42:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-11-23 15:42:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-11-23 15:42:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:42:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:42:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-11-23 15:42:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-11-23 15:42:58,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:42:58,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:42:58,776 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1 == ~q_free~0); [2022-11-23 15:42:58,776 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2022-11-23 15:42:58,799 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:42:58,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:42:58,995 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 15:42:58,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:58 BoogieIcfgContainer [2022-11-23 15:42:58,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:42:59,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:42:59,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:42:59,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:42:59,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:42:57" (1/3) ... [2022-11-23 15:42:59,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ee8264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:59, skipping insertion in model container [2022-11-23 15:42:59,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:58" (2/3) ... [2022-11-23 15:42:59,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ee8264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:59, skipping insertion in model container [2022-11-23 15:42:59,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:58" (3/3) ... [2022-11-23 15:42:59,010 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2022-11-23 15:42:59,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:42:59,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:42:59,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:42:59,103 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=FINITE_AUTOMATA, 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;@2c9082c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:42:59,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:42:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 53 states have (on average 1.490566037735849) internal successors, (79), 57 states have internal predecessors, (79), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:42:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 15:42:59,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:59,121 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] [2022-11-23 15:42:59,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:59,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:59,132 INFO L85 PathProgramCache]: Analyzing trace with hash -921868616, now seen corresponding path program 1 times [2022-11-23 15:42:59,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:59,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071872801] [2022-11-23 15:42:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:59,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:59,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:59,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071872801] [2022-11-23 15:42:59,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071872801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:59,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:59,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:42:59,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282009071] [2022-11-23 15:42:59,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:59,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:59,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:59,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:59,528 INFO L87 Difference]: Start difference. First operand has 79 states, 53 states have (on average 1.490566037735849) internal successors, (79), 57 states have internal predecessors, (79), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 15:42:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:59,920 INFO L93 Difference]: Finished difference Result 285 states and 409 transitions. [2022-11-23 15:42:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:59,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 43 [2022-11-23 15:42:59,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:59,937 INFO L225 Difference]: With dead ends: 285 [2022-11-23 15:42:59,937 INFO L226 Difference]: Without dead ends: 205 [2022-11-23 15:42:59,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:59,949 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 167 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:59,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 278 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:42:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-23 15:43:00,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 194. [2022-11-23 15:43:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 138 states have internal predecessors, (186), 36 states have call successors, (36), 22 states have call predecessors, (36), 21 states have return successors, (37), 34 states have call predecessors, (37), 34 states have call successors, (37) [2022-11-23 15:43:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 259 transitions. [2022-11-23 15:43:00,047 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 259 transitions. Word has length 43 [2022-11-23 15:43:00,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:00,048 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 259 transitions. [2022-11-23 15:43:00,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 15:43:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2022-11-23 15:43:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 15:43:00,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:00,052 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] [2022-11-23 15:43:00,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:43:00,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:00,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:00,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1441888284, now seen corresponding path program 1 times [2022-11-23 15:43:00,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:00,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082764311] [2022-11-23 15:43:00,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:00,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:00,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:00,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082764311] [2022-11-23 15:43:00,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082764311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:00,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:00,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:43:00,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360936256] [2022-11-23 15:43:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:00,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:43:00,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:00,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:43:00,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:43:00,347 INFO L87 Difference]: Start difference. First operand 194 states and 259 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 15:43:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:01,248 INFO L93 Difference]: Finished difference Result 731 states and 982 transitions. [2022-11-23 15:43:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:43:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 44 [2022-11-23 15:43:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:01,254 INFO L225 Difference]: With dead ends: 731 [2022-11-23 15:43:01,254 INFO L226 Difference]: Without dead ends: 265 [2022-11-23 15:43:01,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:43:01,259 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 506 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:01,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 593 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:43:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-23 15:43:01,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 180. [2022-11-23 15:43:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 124 states have internal predecessors, (153), 36 states have call successors, (36), 22 states have call predecessors, (36), 21 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-11-23 15:43:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2022-11-23 15:43:01,309 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 44 [2022-11-23 15:43:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:01,310 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2022-11-23 15:43:01,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-23 15:43:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2022-11-23 15:43:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-23 15:43:01,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:01,314 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] [2022-11-23 15:43:01,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:43:01,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:01,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1727576631, now seen corresponding path program 1 times [2022-11-23 15:43:01,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:01,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491270718] [2022-11-23 15:43:01,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:01,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:01,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491270718] [2022-11-23 15:43:01,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491270718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:01,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:01,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:43:01,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127382293] [2022-11-23 15:43:01,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:01,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:43:01,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:43:01,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:43:01,607 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-23 15:43:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:02,126 INFO L93 Difference]: Finished difference Result 482 states and 591 transitions. [2022-11-23 15:43:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:43:02,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 45 [2022-11-23 15:43:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:02,130 INFO L225 Difference]: With dead ends: 482 [2022-11-23 15:43:02,130 INFO L226 Difference]: Without dead ends: 308 [2022-11-23 15:43:02,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:43:02,133 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 208 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:02,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 268 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:43:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-11-23 15:43:02,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 282. [2022-11-23 15:43:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 190 states have (on average 1.236842105263158) internal successors, (235), 192 states have internal predecessors, (235), 56 states have call successors, (56), 36 states have call predecessors, (56), 35 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-23 15:43:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 345 transitions. [2022-11-23 15:43:02,192 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 345 transitions. Word has length 45 [2022-11-23 15:43:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:02,193 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 345 transitions. [2022-11-23 15:43:02,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-23 15:43:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 345 transitions. [2022-11-23 15:43:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 15:43:02,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:02,195 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, 1] [2022-11-23 15:43:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:43:02,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash 851206718, now seen corresponding path program 1 times [2022-11-23 15:43:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:02,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271092197] [2022-11-23 15:43:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:02,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:02,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:02,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271092197] [2022-11-23 15:43:02,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271092197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:02,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:02,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:43:02,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220579890] [2022-11-23 15:43:02,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:02,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:02,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:02,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:02,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:02,258 INFO L87 Difference]: Start difference. First operand 282 states and 345 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:43:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:02,322 INFO L93 Difference]: Finished difference Result 547 states and 681 transitions. [2022-11-23 15:43:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:43:02,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2022-11-23 15:43:02,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:02,323 INFO L225 Difference]: With dead ends: 547 [2022-11-23 15:43:02,323 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:43:02,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:02,326 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:02,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:43:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:43:02,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:43:02,328 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) [2022-11-23 15:43:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:43:02,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-11-23 15:43:02,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:02,329 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:43:02,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:43:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:43:02,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:43:02,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:43:02,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:43:02,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:43:03,633 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (or (= |old(~p_dw_st~0)| ~p_dw_st~0) (not (= ~c_dr_pc~0 0)) (not (= ~p_dw_i~0 1))) [2022-11-23 15:43:03,634 INFO L895 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: (or (not (= ~c_dr_pc~0 0)) (= ~p_dw_st~0 0) (not (= ~p_dw_i~0 1)) (not (= |old(~p_dw_st~0)| 0))) [2022-11-23 15:43:03,634 INFO L899 garLoopResultBuilder]: For program point L385-1(line 385) no Hoare annotation was computed. [2022-11-23 15:43:03,634 INFO L895 garLoopResultBuilder]: At program point activate_threadsENTRY(lines 379 403) the Hoare annotation is: (or (= |old(~p_dw_st~0)| ~p_dw_st~0) (not (= ~c_dr_pc~0 0)) (not (= ~p_dw_i~0 1))) [2022-11-23 15:43:03,634 INFO L899 garLoopResultBuilder]: For program point activate_threadsEXIT(lines 379 403) no Hoare annotation was computed. [2022-11-23 15:43:03,634 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2022-11-23 15:43:03,635 INFO L899 garLoopResultBuilder]: For program point exists_runnable_threadEXIT(lines 287 306) no Hoare annotation was computed. [2022-11-23 15:43:03,635 INFO L902 garLoopResultBuilder]: At program point exists_runnable_threadENTRY(lines 287 306) the Hoare annotation is: true [2022-11-23 15:43:03,635 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2022-11-23 15:43:03,635 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 104) no Hoare annotation was computed. [2022-11-23 15:43:03,635 INFO L899 garLoopResultBuilder]: For program point L95-2(lines 94 118) no Hoare annotation was computed. [2022-11-23 15:43:03,635 INFO L902 garLoopResultBuilder]: At program point is_do_read_c_triggeredENTRY(lines 91 119) the Hoare annotation is: true [2022-11-23 15:43:03,636 INFO L902 garLoopResultBuilder]: At program point L116(lines 94 118) the Hoare annotation is: true [2022-11-23 15:43:03,636 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2022-11-23 15:43:03,636 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 105 114) no Hoare annotation was computed. [2022-11-23 15:43:03,636 INFO L899 garLoopResultBuilder]: For program point is_do_read_c_triggeredEXIT(lines 91 119) no Hoare annotation was computed. [2022-11-23 15:43:03,636 INFO L902 garLoopResultBuilder]: At program point fire_delta_eventsENTRY(lines 307 324) the Hoare annotation is: true [2022-11-23 15:43:03,636 INFO L899 garLoopResultBuilder]: For program point fire_delta_eventsEXIT(lines 307 324) no Hoare annotation was computed. [2022-11-23 15:43:03,637 INFO L902 garLoopResultBuilder]: At program point update_channelsENTRY(lines 254 268) the Hoare annotation is: true [2022-11-23 15:43:03,637 INFO L899 garLoopResultBuilder]: For program point update_channelsEXIT(lines 254 268) no Hoare annotation was computed. [2022-11-23 15:43:03,637 INFO L899 garLoopResultBuilder]: For program point reset_delta_eventsEXIT(lines 325 342) no Hoare annotation was computed. [2022-11-23 15:43:03,637 INFO L902 garLoopResultBuilder]: At program point reset_delta_eventsENTRY(lines 325 342) the Hoare annotation is: true [2022-11-23 15:43:03,637 INFO L895 garLoopResultBuilder]: At program point L514-1(line 514) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,637 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2022-11-23 15:43:03,638 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 410 450) no Hoare annotation was computed. [2022-11-23 15:43:03,638 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 246) no Hoare annotation was computed. [2022-11-23 15:43:03,638 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:43:03,638 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2022-11-23 15:43:03,638 INFO L895 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,638 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2022-11-23 15:43:03,641 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2022-11-23 15:43:03,642 INFO L895 garLoopResultBuilder]: At program point L202(lines 202 206) the Hoare annotation is: (= ~c_dr_pc~0 1) [2022-11-23 15:43:03,642 INFO L895 garLoopResultBuilder]: At program point L153(lines 148 192) the Hoare annotation is: (let ((.cse0 (= ~p_dw_pc~0 1))) (or (and (= ~c_dr_pc~0 1) .cse0) (and .cse0 (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)))) [2022-11-23 15:43:03,642 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (and (= ~c_dr_pc~0 ~p_dw_pc~0) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) [2022-11-23 15:43:03,642 INFO L895 garLoopResultBuilder]: At program point L484-1(line 484) the Hoare annotation is: (and (= ~c_dr_pc~0 ~p_dw_pc~0) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) [2022-11-23 15:43:03,643 INFO L895 garLoopResultBuilder]: At program point L451(lines 404 456) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,646 INFO L895 garLoopResultBuilder]: At program point L435(lines 410 450) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,646 INFO L895 garLoopResultBuilder]: At program point L171(lines 148 192) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,646 INFO L895 garLoopResultBuilder]: At program point L188(lines 145 193) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,646 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 159) no Hoare annotation was computed. [2022-11-23 15:43:03,647 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (and (= ~c_dr_pc~0 ~p_dw_pc~0) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) [2022-11-23 15:43:03,647 INFO L895 garLoopResultBuilder]: At program point L486-1(line 486) the Hoare annotation is: (and (= ~c_dr_pc~0 ~p_dw_pc~0) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) [2022-11-23 15:43:03,647 INFO L899 garLoopResultBuilder]: For program point L420(lines 410 450) no Hoare annotation was computed. [2022-11-23 15:43:03,647 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,647 INFO L895 garLoopResultBuilder]: At program point L503-1(line 503) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,648 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: false [2022-11-23 15:43:03,648 INFO L895 garLoopResultBuilder]: At program point L487(line 487) the Hoare annotation is: (and (= ~c_dr_pc~0 ~p_dw_pc~0) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) [2022-11-23 15:43:03,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:43:03,648 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,648 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,648 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 446) no Hoare annotation was computed. [2022-11-23 15:43:03,649 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-11-23 15:43:03,649 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 431) no Hoare annotation was computed. [2022-11-23 15:43:03,649 INFO L895 garLoopResultBuilder]: At program point L491-1(lines 488 528) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,649 INFO L899 garLoopResultBuilder]: For program point L508(line 508) no Hoare annotation was computed. [2022-11-23 15:43:03,649 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: false [2022-11-23 15:43:03,649 INFO L902 garLoopResultBuilder]: At program point L244-1(lines 198 252) the Hoare annotation is: true [2022-11-23 15:43:03,650 INFO L895 garLoopResultBuilder]: At program point L510(lines 510 519) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,650 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 510 519) no Hoare annotation was computed. [2022-11-23 15:43:03,650 INFO L895 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,650 INFO L895 garLoopResultBuilder]: At program point L164-1(lines 148 192) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,650 INFO L899 garLoopResultBuilder]: For program point L413(line 413) no Hoare annotation was computed. [2022-11-23 15:43:03,650 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 161) no Hoare annotation was computed. [2022-11-23 15:43:03,651 INFO L902 garLoopResultBuilder]: At program point L529(lines 476 534) the Hoare annotation is: true [2022-11-23 15:43:03,651 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,651 INFO L895 garLoopResultBuilder]: At program point L463-1(line 463) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,651 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 207) no Hoare annotation was computed. [2022-11-23 15:43:03,651 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: (or (and (= ~c_dr_pc~0 0) (= ~p_dw_i~0 1)) (= ~c_dr_pc~0 1)) [2022-11-23 15:43:03,652 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 65 89) no Hoare annotation was computed. [2022-11-23 15:43:03,652 INFO L895 garLoopResultBuilder]: At program point L87(lines 65 89) the Hoare annotation is: (or (not (= ~p_dw_st~0 0)) (not (= ~p_dw_pc~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) (not (= ~p_dw_i~0 1)) (= is_do_write_p_triggered_~__retres1~0 0)) [2022-11-23 15:43:03,652 INFO L899 garLoopResultBuilder]: For program point is_do_write_p_triggeredEXIT(lines 62 90) no Hoare annotation was computed. [2022-11-23 15:43:03,652 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 82) no Hoare annotation was computed. [2022-11-23 15:43:03,652 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 85) no Hoare annotation was computed. [2022-11-23 15:43:03,652 INFO L902 garLoopResultBuilder]: At program point is_do_write_p_triggeredENTRY(lines 62 90) the Hoare annotation is: true [2022-11-23 15:43:03,653 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 72) no Hoare annotation was computed. [2022-11-23 15:43:03,653 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2022-11-23 15:43:03,653 INFO L899 garLoopResultBuilder]: For program point errorEXIT(lines 15 22) no Hoare annotation was computed. [2022-11-23 15:43:03,653 INFO L899 garLoopResultBuilder]: For program point errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2022-11-23 15:43:03,653 INFO L902 garLoopResultBuilder]: At program point errorENTRY(lines 15 22) the Hoare annotation is: true [2022-11-23 15:43:03,659 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 15:43:03,661 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:43:03,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:43:03 BoogieIcfgContainer [2022-11-23 15:43:03,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:43:03,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:43:03,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:43:03,704 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:43:03,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:58" (3/4) ... [2022-11-23 15:43:03,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_read_c_triggered [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels [2022-11-23 15:43:03,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2022-11-23 15:43:03,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_write_p_triggered [2022-11-23 15:43:03,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error [2022-11-23 15:43:03,740 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2022-11-23 15:43:03,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 15:43:03,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 15:43:03,742 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:43:03,808 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:43:03,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:43:03,809 INFO L158 Benchmark]: Toolchain (without parser) took 6152.55ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 167.6MB in the beginning and 143.4MB in the end (delta: 24.2MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,809 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 100.2MB in the beginning and 100.0MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:43:03,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.77ms. Allocated memory is still 199.2MB. Free memory was 167.6MB in the beginning and 164.9MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.68ms. Allocated memory is still 199.2MB. Free memory was 164.9MB in the beginning and 162.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,810 INFO L158 Benchmark]: Boogie Preprocessor took 28.43ms. Allocated memory is still 199.2MB. Free memory was 162.8MB in the beginning and 160.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,811 INFO L158 Benchmark]: RCFGBuilder took 850.75ms. Allocated memory is still 199.2MB. Free memory was 160.7MB in the beginning and 129.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,811 INFO L158 Benchmark]: TraceAbstraction took 4700.77ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 128.2MB in the beginning and 149.7MB in the end (delta: -21.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,812 INFO L158 Benchmark]: Witness Printer took 104.88ms. Allocated memory is still 239.1MB. Free memory was 149.7MB in the beginning and 143.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:43:03,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 100.2MB in the beginning and 100.0MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.77ms. Allocated memory is still 199.2MB. Free memory was 167.6MB in the beginning and 164.9MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.68ms. Allocated memory is still 199.2MB. Free memory was 164.9MB in the beginning and 162.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.43ms. Allocated memory is still 199.2MB. Free memory was 162.8MB in the beginning and 160.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.75ms. Allocated memory is still 199.2MB. Free memory was 160.7MB in the beginning and 129.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4700.77ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 128.2MB in the beginning and 149.7MB in the end (delta: -21.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Witness Printer took 104.88ms. Allocated memory is still 239.1MB. Free memory was 149.7MB in the beginning and 143.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: 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, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 968 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 952 mSDsluCounter, 1208 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 684 mSDsCounter, 292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1078 IncrementalHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 292 mSolverCounterUnsat, 524 mSDtfsCounter, 1078 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 394 PreInvPairs, 610 NumberOfFragments, 346 HoareAnnotationTreeSize, 394 FomulaSimplifications, 758 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 4448 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: c_dr_pc == 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((c_dr_pc == p_dw_pc && p_dw_st == 0) && c_dr_pc == 0) && p_dw_i == 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((!(p_dw_st == 0) || !(p_dw_pc == 0)) || !(c_dr_pc == p_dw_pc)) || !(p_dw_i == 1)) || __retres1 == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (c_dr_pc == 1 && p_dw_pc == 1) || ((p_dw_pc == 1 && c_dr_pc == 0) && p_dw_i == 1) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (c_dr_pc == 0 && p_dw_i == 1) || c_dr_pc == 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:43:03,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45dfce46-0f80-4805-a44f-ac67c74ece4b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE