./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8 --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 64bit --witnessprinter.graph.data.programhash 0879cd163762109d1ca67e19e785f1d915b0491f35724423e419b77b7fd2d6b9 --- 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-e04fb08 [2022-11-16 11:58:55,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:58:55,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:58:55,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:58:55,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:58:55,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:58:55,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:58:55,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:58:55,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:58:55,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:58:55,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:58:55,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:58:55,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:58:55,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:58:55,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:58:55,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:58:55,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:58:55,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:58:55,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:58:55,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:58:55,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:58:55,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:58:55,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:58:55,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:58:55,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:58:55,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:58:55,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:58:55,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:58:55,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:58:55,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:58:55,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:58:55,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:58:55,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:58:55,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:58:55,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:58:55,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:58:55,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:58:55,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:58:55,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:58:55,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:58:55,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:58:55,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:58:55,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:58:55,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:58:55,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:58:55,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:58:55,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:58:55,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:58:55,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:58:55,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:58:55,221 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:58:55,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:58:55,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:58:55,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:58:55,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:58:55,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:58:55,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:58:55,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:58:55,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:58:55,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:58:55,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:58:55,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:58:55,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:58:55,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:55,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:58:55,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:58:55,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:58:55,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:58:55,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:58:55,229 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:58:55,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:58:55,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:58:55,229 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_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0879cd163762109d1ca67e19e785f1d915b0491f35724423e419b77b7fd2d6b9 [2022-11-16 11:58:55,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:58:55,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:58:55,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:58:55,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:58:55,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:58:55,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:58:55,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/475233447/c0cd4a3eb5f44b92ba6743b35df4c66c/FLAGa06760532 [2022-11-16 11:58:56,286 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:58:56,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:58:56,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/475233447/c0cd4a3eb5f44b92ba6743b35df4c66c/FLAGa06760532 [2022-11-16 11:58:56,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/475233447/c0cd4a3eb5f44b92ba6743b35df4c66c [2022-11-16 11:58:56,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:58:56,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:58:56,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:56,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:58:56,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:58:56,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:56" (1/1) ... [2022-11-16 11:58:56,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dede964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:56, skipping insertion in model container [2022-11-16 11:58:56,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:56" (1/1) ... [2022-11-16 11:58:56,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:58:56,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:56,874 WARN L229 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_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1014,1027] [2022-11-16 11:58:57,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:57,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:58:57,201 WARN L229 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_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1014,1027] [2022-11-16 11:58:57,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:57,477 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:58:57,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57 WrapperNode [2022-11-16 11:58:57,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:57,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:57,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:58:57,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:58:57,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,694 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2544 [2022-11-16 11:58:57,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:57,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:58:57,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:58:57,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:58:57,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:58:57,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:58:57,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:58:57,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:58:57,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (1/1) ... [2022-11-16 11:58:57,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:58:57,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:58:57,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:58:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:58:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:58:58,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:58:58,528 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:04,237 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:04,257 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:04,257 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:59:04,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04 BoogieIcfgContainer [2022-11-16 11:59:04,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:04,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:59:04,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:59:04,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:59:04,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:58:56" (1/3) ... [2022-11-16 11:59:04,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded0041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:04, skipping insertion in model container [2022-11-16 11:59:04,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:57" (2/3) ... [2022-11-16 11:59:04,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded0041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:04, skipping insertion in model container [2022-11-16 11:59:04,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04" (3/3) ... [2022-11-16 11:59:04,271 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:59:04,291 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:59:04,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:59:04,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:59:04,397 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;@635a0656, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:59:04,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:59:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 417 states have (on average 1.6618705035971224) internal successors, (693), 418 states have internal predecessors, (693), 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) [2022-11-16 11:59:04,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 11:59:04,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:04,416 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, 1, 1, 1] [2022-11-16 11:59:04,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:04,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:04,424 INFO L85 PathProgramCache]: Analyzing trace with hash 997141711, now seen corresponding path program 1 times [2022-11-16 11:59:04,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:04,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512059672] [2022-11-16 11:59:04,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:04,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:05,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:05,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512059672] [2022-11-16 11:59:05,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512059672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:05,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:05,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:59:05,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996266169] [2022-11-16 11:59:05,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:05,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:59:05,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:59:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:59:05,109 INFO L87 Difference]: Start difference. First operand has 419 states, 417 states have (on average 1.6618705035971224) internal successors, (693), 418 states have internal predecessors, (693), 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) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-11-16 11:59:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:05,281 INFO L93 Difference]: Finished difference Result 1309 states and 2177 transitions. [2022-11-16 11:59:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:59:05,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) Word has length 49 [2022-11-16 11:59:05,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:05,303 INFO L225 Difference]: With dead ends: 1309 [2022-11-16 11:59:05,303 INFO L226 Difference]: Without dead ends: 892 [2022-11-16 11:59:05,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:59:05,312 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 2037 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 1693 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 [2022-11-16 11:59:05,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 1693 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:59:05,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-11-16 11:59:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 417. [2022-11-16 11:59:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.65625) internal successors, (689), 416 states have internal predecessors, (689), 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) [2022-11-16 11:59:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 689 transitions. [2022-11-16 11:59:05,399 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 689 transitions. Word has length 49 [2022-11-16 11:59:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:05,400 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 689 transitions. [2022-11-16 11:59:05,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-11-16 11:59:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 689 transitions. [2022-11-16 11:59:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 11:59:05,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:05,402 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, 1, 1, 1, 1] [2022-11-16 11:59:05,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:59:05,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:05,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,403 INFO L85 PathProgramCache]: Analyzing trace with hash 848406763, now seen corresponding path program 1 times [2022-11-16 11:59:05,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244776949] [2022-11-16 11:59:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:05,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244776949] [2022-11-16 11:59:05,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244776949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:05,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:05,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:59:05,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822404921] [2022-11-16 11:59:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:05,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:59:05,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:05,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:59:05,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:59:05,771 INFO L87 Difference]: Start difference. First operand 417 states and 689 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-11-16 11:59:05,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:05,883 INFO L93 Difference]: Finished difference Result 1648 states and 2731 transitions. [2022-11-16 11:59:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:59:05,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) Word has length 50 [2022-11-16 11:59:05,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:05,898 INFO L225 Difference]: With dead ends: 1648 [2022-11-16 11:59:05,898 INFO L226 Difference]: Without dead ends: 1233 [2022-11-16 11:59:05,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:59:05,909 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 2027 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:05,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 2248 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:59:05,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-11-16 11:59:05,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 419. [2022-11-16 11:59:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.6531100478468899) internal successors, (691), 418 states have internal predecessors, (691), 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) [2022-11-16 11:59:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 691 transitions. [2022-11-16 11:59:05,978 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 691 transitions. Word has length 50 [2022-11-16 11:59:05,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:05,979 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 691 transitions. [2022-11-16 11:59:05,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-11-16 11:59:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 691 transitions. [2022-11-16 11:59:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:59:05,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:05,981 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, 1, 1, 1, 1, 1] [2022-11-16 11:59:05,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:59:05,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,982 INFO L85 PathProgramCache]: Analyzing trace with hash 318586215, now seen corresponding path program 1 times [2022-11-16 11:59:05,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072444491] [2022-11-16 11:59:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:06,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:06,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072444491] [2022-11-16 11:59:06,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072444491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:06,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:06,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:59:06,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375405743] [2022-11-16 11:59:06,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:06,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:59:06,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:06,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:59:06,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:59:06,166 INFO L87 Difference]: Start difference. First operand 419 states and 691 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-16 11:59:06,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:06,259 INFO L93 Difference]: Finished difference Result 1659 states and 2744 transitions. [2022-11-16 11:59:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:59:06,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) Word has length 51 [2022-11-16 11:59:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:06,265 INFO L225 Difference]: With dead ends: 1659 [2022-11-16 11:59:06,266 INFO L226 Difference]: Without dead ends: 1242 [2022-11-16 11:59:06,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:59:06,275 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 2024 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:06,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 2248 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:59:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2022-11-16 11:59:06,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 422. [2022-11-16 11:59:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 421 states have (on average 1.6532066508313539) internal successors, (696), 421 states have internal predecessors, (696), 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) [2022-11-16 11:59:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 696 transitions. [2022-11-16 11:59:06,342 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 696 transitions. Word has length 51 [2022-11-16 11:59:06,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:06,346 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 696 transitions. [2022-11-16 11:59:06,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-16 11:59:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 696 transitions. [2022-11-16 11:59:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 11:59:06,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:06,352 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, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:06,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:59:06,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:06,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1410609647, now seen corresponding path program 1 times [2022-11-16 11:59:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:06,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111476034] [2022-11-16 11:59:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:06,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:07,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:07,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111476034] [2022-11-16 11:59:07,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111476034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:07,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:07,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:59:07,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440095979] [2022-11-16 11:59:07,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:07,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:59:07,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:07,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:59:07,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:59:07,107 INFO L87 Difference]: Start difference. First operand 422 states and 696 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2022-11-16 11:59:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:13,608 INFO L93 Difference]: Finished difference Result 2565 states and 4237 transitions. [2022-11-16 11:59:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:59:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) Word has length 52 [2022-11-16 11:59:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:13,618 INFO L225 Difference]: With dead ends: 2565 [2022-11-16 11:59:13,618 INFO L226 Difference]: Without dead ends: 2145 [2022-11-16 11:59:13,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:59:13,621 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 4750 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 4853 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4750 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:13,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4750 Valid, 2538 Invalid, 4862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 4853 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-16 11:59:13,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2022-11-16 11:59:13,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 428. [2022-11-16 11:59:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 427 states have (on average 1.648711943793911) internal successors, (704), 427 states have internal predecessors, (704), 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) [2022-11-16 11:59:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 704 transitions. [2022-11-16 11:59:13,644 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 704 transitions. Word has length 52 [2022-11-16 11:59:13,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:13,645 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 704 transitions. [2022-11-16 11:59:13,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 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) [2022-11-16 11:59:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 704 transitions. [2022-11-16 11:59:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 11:59:13,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:13,648 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, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:13,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:59:13,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1410669229, now seen corresponding path program 1 times [2022-11-16 11:59:13,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:13,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309822556] [2022-11-16 11:59:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:13,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:13,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:59:13,815 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:59:13,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:59:13,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:59:13,824 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:59:13,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:59:13,949 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:59:13,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:59:13 BoogieIcfgContainer [2022-11-16 11:59:13,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:59:14,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:59:14,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:59:14,000 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:59:14,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04" (3/4) ... [2022-11-16 11:59:14,005 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:59:14,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:59:14,006 INFO L158 Benchmark]: Toolchain (without parser) took 17433.83ms. Allocated memory was 111.1MB in the beginning and 375.4MB in the end (delta: 264.2MB). Free memory was 66.6MB in the beginning and 186.2MB in the end (delta: -119.6MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,006 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:14,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.89ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 103.0MB in the end (delta: -36.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.80ms. Allocated memory is still 144.7MB. Free memory was 102.3MB in the beginning and 80.6MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,008 INFO L158 Benchmark]: Boogie Preprocessor took 170.79ms. Allocated memory is still 144.7MB. Free memory was 79.9MB in the beginning and 68.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,009 INFO L158 Benchmark]: RCFGBuilder took 6392.71ms. Allocated memory was 144.7MB in the beginning and 283.1MB in the end (delta: 138.4MB). Free memory was 68.7MB in the beginning and 132.6MB in the end (delta: -63.9MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,009 INFO L158 Benchmark]: TraceAbstraction took 9736.45ms. Allocated memory was 283.1MB in the beginning and 375.4MB in the end (delta: 92.3MB). Free memory was 131.5MB in the beginning and 186.2MB in the end (delta: -54.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-16 11:59:14,009 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 375.4MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:14,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.89ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 66.4MB in the beginning and 103.0MB in the end (delta: -36.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.80ms. Allocated memory is still 144.7MB. Free memory was 102.3MB in the beginning and 80.6MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.79ms. Allocated memory is still 144.7MB. Free memory was 79.9MB in the beginning and 68.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6392.71ms. Allocated memory was 144.7MB in the beginning and 283.1MB in the end (delta: 138.4MB). Free memory was 68.7MB in the beginning and 132.6MB in the end (delta: -63.9MB). Peak memory consumption was 116.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9736.45ms. Allocated memory was 283.1MB in the beginning and 375.4MB in the end (delta: 92.3MB). Free memory was 131.5MB in the beginning and 186.2MB in the end (delta: -54.7MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 375.4MB. Free memory is still 186.2MB. There was no memory consumed. 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 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 229, overapproximation of bitwiseAnd at line 231. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_30 = 0; [L39] const SORT_4 var_63 = 1; [L40] const SORT_4 var_64 = 0; [L41] const SORT_2 var_74 = 0; [L42] const SORT_2 var_76 = 1; [L43] const SORT_3 var_91 = 0; [L44] const SORT_4 var_227 = 3; [L45] const SORT_2 var_239 = 3; [L46] const SORT_4 var_241 = 4; [L47] const SORT_4 var_343 = 2; [L49] SORT_1 input_73; [L50] SORT_1 input_75; [L51] SORT_1 input_80; [L52] SORT_1 input_81; [L53] SORT_1 input_85; [L54] SORT_1 input_86; [L55] SORT_1 input_90; [L56] SORT_1 input_98; [L57] SORT_1 input_105; [L58] SORT_1 input_112; [L59] SORT_1 input_116; [L60] SORT_1 input_117; [L61] SORT_1 input_131; [L62] SORT_1 input_135; [L63] SORT_1 input_136; [L64] SORT_1 input_150; [L65] SORT_1 input_154; [L66] SORT_1 input_155; [L67] SORT_1 input_176; [L68] SORT_1 input_179; [L69] SORT_1 input_195; [L70] SORT_1 input_198; [L71] SORT_1 input_214; [L72] SORT_1 input_217; [L74] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_2 init_7_arg_1 = var_5; [L104] state_6 = init_7_arg_1 [L105] SORT_2 init_9_arg_1 = var_5; [L106] state_8 = init_9_arg_1 [L107] SORT_2 init_11_arg_1 = var_5; [L108] state_10 = init_11_arg_1 [L109] SORT_2 init_13_arg_1 = var_5; [L110] state_12 = init_13_arg_1 [L111] SORT_2 init_15_arg_1 = var_5; [L112] state_14 = init_15_arg_1 [L113] SORT_2 init_17_arg_1 = var_5; [L114] state_16 = init_17_arg_1 [L115] SORT_2 init_19_arg_1 = var_5; [L116] state_18 = init_19_arg_1 [L117] SORT_2 init_21_arg_1 = var_5; [L118] state_20 = init_21_arg_1 [L119] SORT_2 init_23_arg_1 = var_5; [L120] state_22 = init_23_arg_1 [L121] SORT_2 init_25_arg_1 = var_5; [L122] state_24 = init_25_arg_1 [L123] SORT_2 init_27_arg_1 = var_5; [L124] state_26 = init_27_arg_1 [L125] SORT_2 init_29_arg_1 = var_5; [L126] state_28 = init_29_arg_1 [L127] SORT_1 init_32_arg_1 = var_30; [L128] state_31 = init_32_arg_1 [L129] SORT_1 init_34_arg_1 = var_30; [L130] state_33 = init_34_arg_1 [L131] SORT_1 init_36_arg_1 = var_30; [L132] state_35 = init_36_arg_1 [L133] SORT_1 init_38_arg_1 = var_30; [L134] state_37 = init_38_arg_1 [L135] SORT_1 init_40_arg_1 = var_30; [L136] state_39 = init_40_arg_1 [L137] SORT_1 init_42_arg_1 = var_30; [L138] state_41 = init_42_arg_1 [L139] SORT_1 init_44_arg_1 = var_30; [L140] state_43 = init_44_arg_1 [L141] SORT_1 init_46_arg_1 = var_30; [L142] state_45 = init_46_arg_1 [L143] SORT_1 init_48_arg_1 = var_30; [L144] state_47 = init_48_arg_1 [L145] SORT_1 init_50_arg_1 = var_30; [L146] state_49 = init_50_arg_1 [L147] SORT_1 init_52_arg_1 = var_30; [L148] state_51 = init_52_arg_1 [L149] SORT_1 init_54_arg_1 = var_30; [L150] state_53 = init_54_arg_1 [L151] SORT_1 init_56_arg_1 = var_30; [L152] state_55 = init_56_arg_1 [L153] SORT_1 init_58_arg_1 = var_30; [L154] state_57 = init_58_arg_1 [L155] SORT_1 init_60_arg_1 = var_30; [L156] state_59 = init_60_arg_1 [L157] SORT_1 init_62_arg_1 = var_30; [L158] state_61 = init_62_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L161] input_73 = __VERIFIER_nondet_uchar() [L162] input_73 = input_73 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L163] input_75 = __VERIFIER_nondet_uchar() [L164] input_75 = input_75 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L165] input_80 = __VERIFIER_nondet_uchar() [L166] input_80 = input_80 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L167] input_81 = __VERIFIER_nondet_uchar() [L168] input_81 = input_81 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, input_81=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L169] input_85 = __VERIFIER_nondet_uchar() [L170] input_85 = input_85 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L171] input_86 = __VERIFIER_nondet_uchar() [L172] input_86 = input_86 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L173] input_90 = __VERIFIER_nondet_uchar() [L174] input_90 = input_90 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L175] input_98 = __VERIFIER_nondet_uchar() [L176] input_98 = input_98 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L177] input_105 = __VERIFIER_nondet_uchar() [L178] input_105 = input_105 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L179] input_112 = __VERIFIER_nondet_uchar() [L180] input_112 = input_112 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L181] input_116 = __VERIFIER_nondet_uchar() [L182] input_116 = input_116 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L183] input_117 = __VERIFIER_nondet_uchar() [L184] input_117 = input_117 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L185] input_131 = __VERIFIER_nondet_uchar() [L186] input_131 = input_131 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L187] input_135 = __VERIFIER_nondet_uchar() [L188] input_135 = input_135 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L189] input_136 = __VERIFIER_nondet_uchar() [L190] input_136 = input_136 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L191] input_150 = __VERIFIER_nondet_uchar() [L192] input_150 = input_150 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L193] input_154 = __VERIFIER_nondet_uchar() [L194] input_154 = input_154 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L195] input_155 = __VERIFIER_nondet_uchar() [L196] input_155 = input_155 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L197] input_176 = __VERIFIER_nondet_uchar() [L198] input_179 = __VERIFIER_nondet_uchar() [L199] input_195 = __VERIFIER_nondet_uchar() [L200] input_198 = __VERIFIER_nondet_uchar() [L201] input_214 = __VERIFIER_nondet_uchar() [L202] input_217 = __VERIFIER_nondet_uchar() [L205] SORT_1 var_65_arg_0 = state_39; [L206] SORT_4 var_65_arg_1 = var_63; [L207] SORT_4 var_65_arg_2 = var_64; [L208] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L209] SORT_1 var_66_arg_0 = state_49; [L210] SORT_4 var_66_arg_1 = var_63; [L211] SORT_4 var_66_arg_2 = var_64; [L212] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L213] SORT_4 var_67_arg_0 = var_65; [L214] SORT_4 var_67_arg_1 = var_66; [L215] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L216] SORT_1 var_68_arg_0 = state_59; [L217] SORT_4 var_68_arg_1 = var_63; [L218] SORT_4 var_68_arg_2 = var_64; [L219] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L220] SORT_4 var_69_arg_0 = var_67; [L221] SORT_4 var_69_arg_1 = var_68; [L222] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_74=0, var_76=1, var_91=0] [L223] var_69 = var_69 & mask_SORT_4 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_74=0, var_76=1, var_91=0] [L224] SORT_4 var_70_arg_0 = var_69; [L225] SORT_4 var_70_arg_1 = var_63; [L226] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L227] SORT_1 var_71_arg_0 = ~state_61; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_74=0, var_76=1, var_91=0] [L228] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71_arg_0=1, var_74=0, var_76=1, var_91=0] [L229] SORT_1 var_71_arg_1 = ~var_70; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71_arg_0=1, var_74=0, var_76=1, var_91=0] [L230] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71_arg_0=1, var_71_arg_1=1, var_74=0, var_76=1, var_91=0] [L231] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_74=0, var_76=1, var_91=0] [L232] var_71 = var_71 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_176=4, input_179=1, input_195=5, input_198=2, input_214=3, input_217=6, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_65=0, var_65_arg_0=0, var_65_arg_1=1, var_65_arg_2=0, var_66=0, var_66_arg_0=0, var_66_arg_1=1, var_66_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_68_arg_1=1, var_68_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_74=0, var_76=1, var_91=0] [L233] SORT_1 bad_72_arg_0 = var_71; [L234] CALL __VERIFIER_assert(!(bad_72_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 419 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10838 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10838 mSDsluCounter, 8727 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5602 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4916 IncrementalHoareTripleChecker+Invalid, 4930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 3125 mSDtfsCounter, 4916 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=428occurred in iteration=4, InterpolantAutomatonStates: 26, 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, 3826 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 649 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:59:14,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8 --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 64bit --witnessprinter.graph.data.programhash 0879cd163762109d1ca67e19e785f1d915b0491f35724423e419b77b7fd2d6b9 --- 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-e04fb08 [2022-11-16 11:59:16,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:59:16,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:59:16,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:59:16,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:59:16,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:59:16,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:59:16,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:59:16,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:59:16,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:59:16,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:59:16,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:59:16,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:59:16,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:59:16,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:59:16,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:59:16,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:59:16,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:59:16,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:59:16,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:59:16,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:59:16,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:59:16,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:59:16,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:59:16,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:59:16,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:59:16,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:59:16,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:59:16,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:59:16,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:59:16,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:59:16,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:59:16,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:59:16,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:59:16,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:59:16,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:59:16,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:59:16,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:59:16,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:59:16,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:59:16,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:59:16,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:59:16,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:59:16,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:59:16,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:59:16,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:59:16,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:59:16,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:59:16,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:59:16,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:59:16,930 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:59:16,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:59:16,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:59:16,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:59:16,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:59:16,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:59:16,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:59:16,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:59:16,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:59:16,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:59:16,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:59:16,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:59:16,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:59:16,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:59:16,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:59:16,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:16,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:59:16,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:59:16,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:59:16,937 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:59:16,937 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:59:16,937 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:59:16,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:59:16,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:59:16,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:59:16,939 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0879cd163762109d1ca67e19e785f1d915b0491f35724423e419b77b7fd2d6b9 [2022-11-16 11:59:17,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:59:17,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:59:17,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:59:17,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:59:17,430 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:59:17,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:59:17,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/6fa4e6cba/63079a408e434b4fbcf54e8e6b4062ee/FLAG8f7227182 [2022-11-16 11:59:18,366 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:59:18,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:59:18,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/6fa4e6cba/63079a408e434b4fbcf54e8e6b4062ee/FLAG8f7227182 [2022-11-16 11:59:18,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/data/6fa4e6cba/63079a408e434b4fbcf54e8e6b4062ee [2022-11-16 11:59:18,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:59:18,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:59:18,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:18,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:59:18,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:59:18,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:18" (1/1) ... [2022-11-16 11:59:18,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6789d9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:18, skipping insertion in model container [2022-11-16 11:59:18,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:18" (1/1) ... [2022-11-16 11:59:18,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:59:18,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:59:18,850 WARN L229 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_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1014,1027] [2022-11-16 11:59:19,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:19,381 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:59:19,391 WARN L229 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_00373b95-d934-4644-bf37-a762404bba1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1014,1027] [2022-11-16 11:59:19,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:19,592 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:59:19,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19 WrapperNode [2022-11-16 11:59:19,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:19,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:19,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:59:19,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:59:19,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,726 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1592 [2022-11-16 11:59:19,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:19,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:59:19,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:59:19,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:59:19,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:59:19,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:59:19,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:59:19,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:59:19,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (1/1) ... [2022-11-16 11:59:19,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:59:19,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:59:19,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:59:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:59:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:59:20,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:59:20,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:23,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:23,650 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:23,650 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:59:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:23 BoogieIcfgContainer [2022-11-16 11:59:23,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:23,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:59:23,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:59:23,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:59:23,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:59:18" (1/3) ... [2022-11-16 11:59:23,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499e527e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:23, skipping insertion in model container [2022-11-16 11:59:23,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:19" (2/3) ... [2022-11-16 11:59:23,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499e527e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:23, skipping insertion in model container [2022-11-16 11:59:23,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:23" (3/3) ... [2022-11-16 11:59:23,661 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.3.prop1-func-interl.c [2022-11-16 11:59:23,681 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:59:23,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:59:23,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:59:23,741 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;@6a65add7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:59:23,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:59:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 11:59:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:59:23,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:23,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:59:23,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:23,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:23,760 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:59:23,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:59:23,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635789484] [2022-11-16 11:59:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:23,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:59:23,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:59:23,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:59:23,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:59:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:24,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 11:59:24,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:59:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:24,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:59:24,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:59:24,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635789484] [2022-11-16 11:59:24,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635789484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:24,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:24,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:59:24,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169668706] [2022-11-16 11:59:24,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:24,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:59:24,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:59:24,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:59:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:59:24,728 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:59:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:25,048 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:59:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:59:25,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-11-16 11:59:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:25,062 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:59:25,063 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:59:25,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:59:25,072 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:25,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:59:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:59:25,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:59:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-16 11:59:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:59:25,109 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:59:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:25,109 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:59:25,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:59:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:59:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:59:25,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:25,111 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:25,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:59:25,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:59:25,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:25,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:25,325 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:59:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:59:25,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267088155] [2022-11-16 11:59:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:25,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:59:25,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:59:25,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:59:25,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:59:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:26,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-16 11:59:26,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:59:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:27,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:59:51,755 WARN L233 SmtUtils]: Spent 20.72s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:59:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:52,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:59:52,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267088155] [2022-11-16 11:59:52,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267088155] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:59:52,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:59:52,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:59:52,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416895143] [2022-11-16 11:59:52,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:59:52,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:59:52,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:59:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:59:52,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:59:52,542 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 11:59:53,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:53,300 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:59:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:59:53,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2022-11-16 11:59:53,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:53,303 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:59:53,303 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:59:53,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:59:53,306 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:53,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 11 Unchecked, 0.4s Time] [2022-11-16 11:59:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:59:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:59:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-16 11:59:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:59:53,323 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:59:53,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:53,325 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:59:53,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 11:59:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:59:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:59:53,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:53,331 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:59:53,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:59:53,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:59:53,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:59:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:53,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:59:53,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:59:53,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077911953] [2022-11-16 11:59:53,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:59:53,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:59:53,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:59:53,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:59:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:59:54,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:59:54,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:59:54,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 2663 conjuncts, 215 conjunts are in the unsatisfiable core [2022-11-16 11:59:54,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:00:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:02,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:00:17,754 WARN L233 SmtUtils]: Spent 14.71s on a formula simplification. DAG size of input: 98 DAG size of output: 77 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:01:02,258 WARN L233 SmtUtils]: Spent 42.83s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:02:09,707 WARN L233 SmtUtils]: Spent 59.27s on a formula simplification that was a NOOP. DAG size: 919 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:02:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:11,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:02:11,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077911953] [2022-11-16 12:02:11,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077911953] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:02:11,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:02:11,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 12:02:11,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832441076] [2022-11-16 12:02:11,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:02:11,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:02:11,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:02:11,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:02:11,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=63, Unknown=3, NotChecked=0, Total=90 [2022-11-16 12:02:11,313 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-16 12:02:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:16,390 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 12:02:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:02:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) Word has length 11 [2022-11-16 12:02:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:16,391 INFO L225 Difference]: With dead ends: 19 [2022-11-16 12:02:16,391 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 12:02:16,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 134.5s TimeCoverageRelationStatistics Valid=47, Invalid=105, Unknown=4, NotChecked=0, Total=156 [2022-11-16 12:02:16,393 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:16,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 34 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 25 Unchecked, 0.4s Time] [2022-11-16 12:02:16,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 12:02:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 12:02:16,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-16 12:02:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 12:02:16,402 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 12:02:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:16,403 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 12:02:16,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-16 12:02:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 12:02:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:02:16,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:16,404 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 12:02:16,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:02:16,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:02:16,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:16,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 12:02:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:02:16,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829654353] [2022-11-16 12:02:16,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:02:16,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:02:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:02:16,616 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:02:16,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00373b95-d934-4644-bf37-a762404bba1f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 12:02:18,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 12:02:18,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:02:18,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 3929 conjuncts, 503 conjunts are in the unsatisfiable core [2022-11-16 12:02:18,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:18,049 WARN L233 SmtUtils]: Spent 5.28m on a formula simplification. DAG size of input: 644 DAG size of output: 643 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)