./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a3248fe507879b589534990871f4662b2d97c2767e532585e632d27fc18c598 --- 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-6b4ec56 [2022-11-20 11:49:42,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:49:42,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:49:42,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:49:42,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:49:42,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:49:42,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:49:42,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:49:42,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:49:42,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:49:42,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:49:42,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:49:42,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:49:42,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:49:42,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:49:42,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:49:42,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:49:42,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:49:42,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:49:42,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:49:42,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:49:42,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:49:42,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:49:42,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:49:42,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:49:42,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:49:42,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:49:42,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:49:42,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:49:42,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:49:42,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:49:42,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:49:42,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:49:42,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:49:42,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:49:42,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:49:42,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:49:42,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:49:42,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:49:42,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:49:42,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:49:42,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:49:42,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:49:42,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:49:42,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:49:42,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:49:42,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:49:42,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:49:42,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:49:42,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:49:42,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:49:42,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:49:42,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:49:42,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:49:42,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:49:42,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:49:42,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:49:42,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:49:42,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:49:42,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:49:42,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:49:42,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:49:42,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:49:42,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:49:42,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:49:42,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:49:42,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:49:42,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:49:42,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:49:42,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:49:42,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:49:42,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:49:43,000 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:49:43,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:49:43,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:49:43,001 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_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3248fe507879b589534990871f4662b2d97c2767e532585e632d27fc18c598 [2022-11-20 11:49:43,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:49:43,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:49:43,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:49:43,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:49:43,456 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:49:43,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem01_label49.c [2022-11-20 11:49:47,142 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:49:47,558 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:49:47,558 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/sv-benchmarks/c/eca-rers2012/Problem01_label49.c [2022-11-20 11:49:47,573 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/data/bc06415ee/177112df62664034acca5ce8336d3c80/FLAG085d324e5 [2022-11-20 11:49:47,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/data/bc06415ee/177112df62664034acca5ce8336d3c80 [2022-11-20 11:49:47,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:49:47,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:49:47,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:49:47,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:49:47,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:49:47,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:47" (1/1) ... [2022-11-20 11:49:47,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bc7159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:47, skipping insertion in model container [2022-11-20 11:49:47,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:49:47" (1/1) ... [2022-11-20 11:49:47,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:49:47,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:49:48,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/sv-benchmarks/c/eca-rers2012/Problem01_label49.c[18854,18867] [2022-11-20 11:49:48,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:49:48,110 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:49:48,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/sv-benchmarks/c/eca-rers2012/Problem01_label49.c[18854,18867] [2022-11-20 11:49:48,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:49:48,286 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:49:48,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48 WrapperNode [2022-11-20 11:49:48,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:49:48,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:49:48,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:49:48,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:49:48,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,395 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-11-20 11:49:48,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:49:48,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:49:48,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:49:48,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:49:48,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:49:48,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:49:48,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:49:48,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:49:48,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (1/1) ... [2022-11-20 11:49:48,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:49:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:48,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:49:48,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:49:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:49:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:49:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:49:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:49:48,745 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:49:48,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:49:50,353 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:49:50,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:49:50,364 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:49:50,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:50 BoogieIcfgContainer [2022-11-20 11:49:50,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:49:50,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:49:50,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:49:50,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:49:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:49:47" (1/3) ... [2022-11-20 11:49:50,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1601d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:50, skipping insertion in model container [2022-11-20 11:49:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:49:48" (2/3) ... [2022-11-20 11:49:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1601d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:49:50, skipping insertion in model container [2022-11-20 11:49:50,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:50" (3/3) ... [2022-11-20 11:49:50,380 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label49.c [2022-11-20 11:49:50,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:49:50,406 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:49:50,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:49:50,487 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;@18989b0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:49:50,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:49:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2022-11-20 11:49:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 11:49:50,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:50,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:50,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:50,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1165368418, now seen corresponding path program 1 times [2022-11-20 11:49:50,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:50,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087117216] [2022-11-20 11:49:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:50,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:51,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:51,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087117216] [2022-11-20 11:49:51,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087117216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:51,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:51,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:49:51,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394439216] [2022-11-20 11:49:51,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:51,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:49:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:49:51,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:51,450 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2022-11-20 11:49:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:52,504 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-11-20 11:49:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:49:52,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 107 [2022-11-20 11:49:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:52,535 INFO L225 Difference]: With dead ends: 528 [2022-11-20 11:49:52,537 INFO L226 Difference]: Without dead ends: 266 [2022-11-20 11:49:52,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:52,555 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 88 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:52,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 44 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:49:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-20 11:49:52,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-20 11:49:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4792452830188678) internal successors, (392), 265 states have internal predecessors, (392), 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) [2022-11-20 11:49:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 392 transitions. [2022-11-20 11:49:52,623 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 392 transitions. Word has length 107 [2022-11-20 11:49:52,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:52,625 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 392 transitions. [2022-11-20 11:49:52,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2022-11-20 11:49:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions. [2022-11-20 11:49:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 11:49:52,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:52,629 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:52,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:49:52,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:52,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:52,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1528439098, now seen corresponding path program 1 times [2022-11-20 11:49:52,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:52,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552667072] [2022-11-20 11:49:52,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:52,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:52,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:52,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552667072] [2022-11-20 11:49:52,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552667072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:52,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:52,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:49:52,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239457835] [2022-11-20 11:49:52,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:52,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:49:52,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:52,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:49:52,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:52,784 INFO L87 Difference]: Start difference. First operand 266 states and 392 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2022-11-20 11:49:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:53,419 INFO L93 Difference]: Finished difference Result 792 states and 1171 transitions. [2022-11-20 11:49:53,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:49:53,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 112 [2022-11-20 11:49:53,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:53,422 INFO L225 Difference]: With dead ends: 792 [2022-11-20 11:49:53,422 INFO L226 Difference]: Without dead ends: 528 [2022-11-20 11:49:53,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:53,425 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:53,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 29 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:49:53,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-20 11:49:53,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-11-20 11:49:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.413662239089184) internal successors, (745), 527 states have internal predecessors, (745), 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) [2022-11-20 11:49:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2022-11-20 11:49:53,461 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 112 [2022-11-20 11:49:53,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:53,461 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2022-11-20 11:49:53,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) [2022-11-20 11:49:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2022-11-20 11:49:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-20 11:49:53,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:53,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:53,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:49:53,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:53,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1628864191, now seen corresponding path program 1 times [2022-11-20 11:49:53,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:53,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129965103] [2022-11-20 11:49:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:53,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:53,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129965103] [2022-11-20 11:49:53,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129965103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:53,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:53,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:49:53,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921721584] [2022-11-20 11:49:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:53,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:49:53,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:53,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:49:53,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:53,902 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2022-11-20 11:49:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:54,562 INFO L93 Difference]: Finished difference Result 1447 states and 2032 transitions. [2022-11-20 11:49:54,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:49:54,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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 122 [2022-11-20 11:49:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:54,570 INFO L225 Difference]: With dead ends: 1447 [2022-11-20 11:49:54,570 INFO L226 Difference]: Without dead ends: 921 [2022-11-20 11:49:54,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:54,578 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 123 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:54,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 55 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:49:54,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-11-20 11:49:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2022-11-20 11:49:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.2902173913043478) internal successors, (1187), 920 states have internal predecessors, (1187), 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) [2022-11-20 11:49:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1187 transitions. [2022-11-20 11:49:54,646 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1187 transitions. Word has length 122 [2022-11-20 11:49:54,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:54,652 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1187 transitions. [2022-11-20 11:49:54,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2022-11-20 11:49:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1187 transitions. [2022-11-20 11:49:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 11:49:54,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:54,663 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:54,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:49:54,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1443990833, now seen corresponding path program 1 times [2022-11-20 11:49:54,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:54,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191790528] [2022-11-20 11:49:54,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 11:49:54,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191790528] [2022-11-20 11:49:54,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191790528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:54,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:54,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:49:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183654791] [2022-11-20 11:49:54,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:54,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:49:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:49:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:54,968 INFO L87 Difference]: Start difference. First operand 921 states and 1187 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 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) [2022-11-20 11:49:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:55,568 INFO L93 Difference]: Finished difference Result 2102 states and 2725 transitions. [2022-11-20 11:49:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:49:55,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 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 123 [2022-11-20 11:49:55,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:55,574 INFO L225 Difference]: With dead ends: 2102 [2022-11-20 11:49:55,574 INFO L226 Difference]: Without dead ends: 1183 [2022-11-20 11:49:55,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:49:55,577 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 129 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:55,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 72 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:49:55,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-11-20 11:49:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-11-20 11:49:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2470389170896785) internal successors, (1474), 1182 states have internal predecessors, (1474), 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) [2022-11-20 11:49:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1474 transitions. [2022-11-20 11:49:55,614 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1474 transitions. Word has length 123 [2022-11-20 11:49:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:55,614 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1474 transitions. [2022-11-20 11:49:55,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 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) [2022-11-20 11:49:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1474 transitions. [2022-11-20 11:49:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 11:49:55,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:55,618 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:55,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:49:55,619 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:55,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:55,620 INFO L85 PathProgramCache]: Analyzing trace with hash -666214665, now seen corresponding path program 1 times [2022-11-20 11:49:55,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:55,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450217349] [2022-11-20 11:49:55,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:55,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:55,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:55,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450217349] [2022-11-20 11:49:55,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450217349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:55,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:49:55,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:49:55,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671624194] [2022-11-20 11:49:55,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:55,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:49:55,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:49:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:49:55,970 INFO L87 Difference]: Start difference. First operand 1183 states and 1474 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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) [2022-11-20 11:49:56,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:56,967 INFO L93 Difference]: Finished difference Result 3150 states and 3955 transitions. [2022-11-20 11:49:56,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:49:56,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2022-11-20 11:49:56,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:56,975 INFO L225 Difference]: With dead ends: 3150 [2022-11-20 11:49:56,976 INFO L226 Difference]: Without dead ends: 1969 [2022-11-20 11:49:56,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:49:56,979 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 274 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:56,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 58 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:49:56,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-11-20 11:49:57,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2022-11-20 11:49:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.221556886227545) internal successors, (2244), 1837 states have internal predecessors, (2244), 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) [2022-11-20 11:49:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2244 transitions. [2022-11-20 11:49:57,031 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2244 transitions. Word has length 126 [2022-11-20 11:49:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:57,031 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2244 transitions. [2022-11-20 11:49:57,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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) [2022-11-20 11:49:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2244 transitions. [2022-11-20 11:49:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-20 11:49:57,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:57,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:57,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:49:57,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -728537834, now seen corresponding path program 1 times [2022-11-20 11:49:57,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:57,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694924966] [2022-11-20 11:49:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:49:57,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:57,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694924966] [2022-11-20 11:49:57,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694924966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:49:57,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100968836] [2022-11-20 11:49:57,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:57,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:49:57,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:57,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:49:57,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:49:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:57,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:57,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:49:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 11:49:57,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:49:57,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100968836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:49:57,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:49:57,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-20 11:49:57,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747286457] [2022-11-20 11:49:57,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:49:57,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:49:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:49:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:49:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:49:57,983 INFO L87 Difference]: Start difference. First operand 1838 states and 2244 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-11-20 11:49:58,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:49:58,547 INFO L93 Difference]: Finished difference Result 2233 states and 2704 transitions. [2022-11-20 11:49:58,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:49:58,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 144 [2022-11-20 11:49:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:49:58,559 INFO L225 Difference]: With dead ends: 2233 [2022-11-20 11:49:58,559 INFO L226 Difference]: Without dead ends: 2231 [2022-11-20 11:49:58,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:49:58,566 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:49:58,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 31 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:49:58,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-11-20 11:49:58,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1707. [2022-11-20 11:49:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.2262602579132473) internal successors, (2092), 1706 states have internal predecessors, (2092), 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) [2022-11-20 11:49:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2092 transitions. [2022-11-20 11:49:58,615 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2092 transitions. Word has length 144 [2022-11-20 11:49:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:49:58,616 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 2092 transitions. [2022-11-20 11:49:58,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-11-20 11:49:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2092 transitions. [2022-11-20 11:49:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-20 11:49:58,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:49:58,623 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:49:58,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:49:58,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:49:58,831 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:49:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:49:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash 620367149, now seen corresponding path program 1 times [2022-11-20 11:49:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:49:58,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481090165] [2022-11-20 11:49:58,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:49:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 132 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 11:49:59,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:49:59,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481090165] [2022-11-20 11:49:59,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481090165] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:49:59,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302776252] [2022-11-20 11:49:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:49:59,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:49:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:49:59,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:49:59,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:49:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:49:59,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:49:59,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:50:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:50:00,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:50:00,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302776252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:50:00,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:50:00,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 11:50:00,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446020557] [2022-11-20 11:50:00,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:50:00,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:50:00,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:50:00,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:50:00,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:50:00,163 INFO L87 Difference]: Start difference. First operand 1707 states and 2092 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2022-11-20 11:50:00,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:50:00,768 INFO L93 Difference]: Finished difference Result 3803 states and 4640 transitions. [2022-11-20 11:50:00,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:50:00,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 212 [2022-11-20 11:50:00,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:50:00,770 INFO L225 Difference]: With dead ends: 3803 [2022-11-20 11:50:00,770 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:50:00,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:50:00,775 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 32 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:50:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 190 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:50:00,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:50:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:50:00,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:50:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:50:00,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2022-11-20 11:50:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:50:00,777 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:50:00,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2022-11-20 11:50:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:50:00,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:50:00,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:50:00,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 11:50:00,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:50:00,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:50:01,219 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-11-20 11:50:01,220 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-11-20 11:50:01,221 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-11-20 11:50:01,222 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,223 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,232 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,232 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,232 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,232 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-11-20 11:50:01,233 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,233 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-11-20 11:50:01,233 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-11-20 11:50:01,233 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-11-20 11:50:01,233 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-11-20 11:50:01,234 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-11-20 11:50:01,234 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-11-20 11:50:01,234 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-20 11:50:01,234 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-11-20 11:50:01,234 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-11-20 11:50:01,236 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-11-20 11:50:01,237 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-11-20 11:50:01,237 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-11-20 11:50:01,237 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-11-20 11:50:01,237 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-11-20 11:50:01,238 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,238 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,238 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,238 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,238 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-20 11:50:01,239 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-11-20 11:50:01,240 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-11-20 11:50:01,240 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-20 11:50:01,240 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-11-20 11:50:01,240 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-11-20 11:50:01,240 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-11-20 11:50:01,241 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,242 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-11-20 11:50:01,243 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-11-20 11:50:01,244 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-11-20 11:50:01,245 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-11-20 11:50:01,246 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-11-20 11:50:01,246 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-11-20 11:50:01,246 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-11-20 11:50:01,246 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,246 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,247 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,247 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,247 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,247 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:50:01,247 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-11-20 11:50:01,248 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-11-20 11:50:01,249 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-11-20 11:50:01,249 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-11-20 11:50:01,250 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (<= ~a16~0 5)) (<= ~a8~0 13) (and .cse0 (<= 15 ~a8~0)))) [2022-11-20 11:50:01,250 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,250 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,250 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,250 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,251 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,251 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-11-20 11:50:01,251 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-11-20 11:50:01,251 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-11-20 11:50:01,251 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-11-20 11:50:01,252 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-11-20 11:50:01,253 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-11-20 11:50:01,253 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-11-20 11:50:01,253 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:50:01,253 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-11-20 11:50:01,253 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-11-20 11:50:01,254 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,254 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,254 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,254 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,254 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-11-20 11:50:01,255 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-11-20 11:50:01,256 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-20 11:50:01,256 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-11-20 11:50:01,256 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-11-20 11:50:01,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:50:01,256 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,257 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,257 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,257 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,257 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-11-20 11:50:01,257 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-11-20 11:50:01,258 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-11-20 11:50:01,259 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-11-20 11:50:01,259 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-11-20 11:50:01,259 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-11-20 11:50:01,259 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-11-20 11:50:01,259 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-11-20 11:50:01,260 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-11-20 11:50:01,260 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-11-20 11:50:01,260 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,260 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (<= ~a16~0 5)) (<= ~a8~0 13) (and .cse0 (<= 15 ~a8~0)))) [2022-11-20 11:50:01,260 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,261 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,261 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,261 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,261 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-11-20 11:50:01,261 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:50:01,262 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2022-11-20 11:50:01,262 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-11-20 11:50:01,262 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-11-20 11:50:01,262 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-11-20 11:50:01,262 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-11-20 11:50:01,263 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-11-20 11:50:01,263 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-11-20 11:50:01,263 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-11-20 11:50:01,263 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,263 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,264 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,264 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,264 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-11-20 11:50:01,264 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-11-20 11:50:01,264 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-11-20 11:50:01,265 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-11-20 11:50:01,265 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-11-20 11:50:01,269 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:50:01,272 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:50:01,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:50:01 BoogieIcfgContainer [2022-11-20 11:50:01,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:50:01,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:50:01,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:50:01,291 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:50:01,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:49:50" (3/4) ... [2022-11-20 11:50:01,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:50:01,315 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 11:50:01,316 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 11:50:01,317 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:50:01,318 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:50:01,481 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:50:01,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:50:01,482 INFO L158 Benchmark]: Toolchain (without parser) took 13885.93ms. Allocated memory was 180.4MB in the beginning and 281.0MB in the end (delta: 100.7MB). Free memory was 145.0MB in the beginning and 130.2MB in the end (delta: 14.8MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,482 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 180.4MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:50:01,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.90ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 117.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.20ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 111.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,483 INFO L158 Benchmark]: Boogie Preprocessor took 129.22ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,484 INFO L158 Benchmark]: RCFGBuilder took 1841.49ms. Allocated memory was 180.4MB in the beginning and 232.8MB in the end (delta: 52.4MB). Free memory was 107.4MB in the beginning and 161.0MB in the end (delta: -53.6MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,485 INFO L158 Benchmark]: TraceAbstraction took 10919.03ms. Allocated memory was 232.8MB in the beginning and 281.0MB in the end (delta: 48.2MB). Free memory was 160.0MB in the beginning and 140.7MB in the end (delta: 19.3MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,485 INFO L158 Benchmark]: Witness Printer took 190.95ms. Allocated memory is still 281.0MB. Free memory was 140.7MB in the beginning and 130.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:50:01,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 180.4MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.90ms. Allocated memory is still 180.4MB. Free memory was 144.3MB in the beginning and 117.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.20ms. Allocated memory is still 180.4MB. Free memory was 117.1MB in the beginning and 111.6MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.22ms. Allocated memory is still 180.4MB. Free memory was 111.6MB in the beginning and 107.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1841.49ms. Allocated memory was 180.4MB in the beginning and 232.8MB in the end (delta: 52.4MB). Free memory was 107.4MB in the beginning and 161.0MB in the end (delta: -53.6MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10919.03ms. Allocated memory was 232.8MB in the beginning and 281.0MB in the end (delta: 48.2MB). Free memory was 160.0MB in the beginning and 140.7MB in the end (delta: 19.3MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Witness Printer took 190.95ms. Allocated memory is still 281.0MB. Free memory was 140.7MB in the beginning and 130.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 507]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 865 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 865 mSDsluCounter, 479 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2528 IncrementalHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 552 mSolverCounterUnsat, 441 mSDtfsCounter, 2528 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 655 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 380 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 296 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1302 NumberOfCodeBlocks, 1302 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 3145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 512/554 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((a21 == 1 && a16 <= 5) || a8 <= 13) || (a21 == 1 && 15 <= a8) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((a21 == 1 && a16 <= 5) || a8 <= 13) || (a21 == 1 && 15 <= a8) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:50:01,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d2e87e-7752-4078-8d77-cd1166d75865/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE