./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/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_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/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_8337622c-1628-4393-b193-c002a33a9de9/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 40a5d6cfc2906fb78e842e2acc20834b9d9ef51616470f27f80518312cafa40b --- 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 12:46:53,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:46:53,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:46:53,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:46:53,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:46:53,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:46:53,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:46:53,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:46:53,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:46:53,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:46:53,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:46:53,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:46:53,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:46:53,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:46:53,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:46:53,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:46:53,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:46:53,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:46:53,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:46:53,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:46:53,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:46:53,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:46:53,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:46:53,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:46:53,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:46:53,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:46:53,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:46:53,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:46:53,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:46:53,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:46:53,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:46:53,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:46:53,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:46:53,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:46:53,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:46:53,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:46:53,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:46:53,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:46:53,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:46:53,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:46:53,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:46:53,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:46:53,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:46:53,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:46:53,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:46:53,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:46:53,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:46:53,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:46:53,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:46:53,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:46:53,820 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:46:53,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:46:53,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:46:53,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:46:53,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:46:53,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:46:53,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:46:53,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:46:53,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:46:53,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:46:53,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:46:53,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:46:53,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:46:53,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:46:53,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:46:53,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:46:53,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:53,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:46:53,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:46:53,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:46:53,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:46:53,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:46:53,827 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:46:53,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:46:53,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:46:53,828 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_8337622c-1628-4393-b193-c002a33a9de9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40a5d6cfc2906fb78e842e2acc20834b9d9ef51616470f27f80518312cafa40b [2022-11-20 12:46:54,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:46:54,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:46:54,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:46:54,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:46:54,204 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:46:54,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2022-11-20 12:46:57,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:46:57,989 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:46:57,989 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2022-11-20 12:46:58,002 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/data/65b083a92/3ad99d1697504ec6a577870ca023b3c9/FLAG9400d8a5d [2022-11-20 12:46:58,019 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/data/65b083a92/3ad99d1697504ec6a577870ca023b3c9 [2022-11-20 12:46:58,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:46:58,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:46:58,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:58,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:46:58,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:46:58,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee4222c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58, skipping insertion in model container [2022-11-20 12:46:58,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:46:58,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:46:58,521 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_8337622c-1628-4393-b193-c002a33a9de9/sv-benchmarks/c/eca-rers2012/Problem02_label41.c[15650,15663] [2022-11-20 12:46:58,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:58,611 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:46:58,736 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_8337622c-1628-4393-b193-c002a33a9de9/sv-benchmarks/c/eca-rers2012/Problem02_label41.c[15650,15663] [2022-11-20 12:46:58,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:46:58,792 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:46:58,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58 WrapperNode [2022-11-20 12:46:58,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:46:58,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:58,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:46:58,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:46:58,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,883 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-11-20 12:46:58,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:46:58,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:46:58,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:46:58,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:46:58,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,939 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:46:58,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:46:58,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:46:58,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:46:58,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (1/1) ... [2022-11-20 12:46:58,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:46:58,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:46:59,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:46:59,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:46:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:46:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:46:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:46:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:46:59,212 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:46:59,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:47:00,521 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:47:00,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:47:00,543 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:47:00,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:47:00 BoogieIcfgContainer [2022-11-20 12:47:00,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:47:00,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:47:00,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:47:00,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:47:00,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:46:58" (1/3) ... [2022-11-20 12:47:00,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc89145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:47:00, skipping insertion in model container [2022-11-20 12:47:00,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:46:58" (2/3) ... [2022-11-20 12:47:00,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc89145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:47:00, skipping insertion in model container [2022-11-20 12:47:00,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:47:00" (3/3) ... [2022-11-20 12:47:00,566 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2022-11-20 12:47:00,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:47:00,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:47:00,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:47:00,655 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;@3a7b4499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:47:00,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:47:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 12:47:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 12:47:00,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:00,673 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] [2022-11-20 12:47:00,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:00,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash 372621549, now seen corresponding path program 1 times [2022-11-20 12:47:00,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:00,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398695874] [2022-11-20 12:47:00,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:00,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:01,464 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 12:47:01,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:01,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398695874] [2022-11-20 12:47:01,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398695874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:01,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:01,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:01,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442242429] [2022-11-20 12:47:01,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:01,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:01,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:01,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:01,542 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 12:47:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:02,637 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2022-11-20 12:47:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:02,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 90 [2022-11-20 12:47:02,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:02,668 INFO L225 Difference]: With dead ends: 630 [2022-11-20 12:47:02,669 INFO L226 Difference]: Without dead ends: 318 [2022-11-20 12:47:02,678 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 12:47:02,684 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:02,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:47:02,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-11-20 12:47:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-11-20 12:47:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 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 12:47:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2022-11-20 12:47:02,787 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 90 [2022-11-20 12:47:02,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:02,788 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2022-11-20 12:47:02,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 12:47:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2022-11-20 12:47:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 12:47:02,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:02,792 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:47:02,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:47:02,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:02,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1874198680, now seen corresponding path program 1 times [2022-11-20 12:47:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:02,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45813502] [2022-11-20 12:47:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:03,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45813502] [2022-11-20 12:47:03,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45813502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:03,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:03,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:03,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111256020] [2022-11-20 12:47:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:03,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:03,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:03,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:03,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:03,174 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 12:47:03,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:03,805 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2022-11-20 12:47:03,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:03,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 94 [2022-11-20 12:47:03,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:03,808 INFO L225 Difference]: With dead ends: 919 [2022-11-20 12:47:03,809 INFO L226 Difference]: Without dead ends: 603 [2022-11-20 12:47:03,810 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 12:47:03,811 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:03,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 122 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-11-20 12:47:03,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2022-11-20 12:47:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2916666666666667) internal successors, (775), 600 states have internal predecessors, (775), 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 12:47:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2022-11-20 12:47:03,837 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 94 [2022-11-20 12:47:03,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:03,837 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2022-11-20 12:47:03,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 12:47:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2022-11-20 12:47:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 12:47:03,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:03,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 12:47:03,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:47:03,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:03,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:03,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1699507613, now seen corresponding path program 1 times [2022-11-20 12:47:03,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:03,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528675546] [2022-11-20 12:47:03,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:03,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:04,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:04,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528675546] [2022-11-20 12:47:04,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528675546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:04,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:04,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:04,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154465349] [2022-11-20 12:47:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:04,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:04,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:04,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:04,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:04,054 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 12:47:04,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:04,697 INFO L93 Difference]: Finished difference Result 1486 states and 1974 transitions. [2022-11-20 12:47:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:04,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2022-11-20 12:47:04,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:04,702 INFO L225 Difference]: With dead ends: 1486 [2022-11-20 12:47:04,702 INFO L226 Difference]: Without dead ends: 887 [2022-11-20 12:47:04,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:04,705 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:04,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 255 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:04,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2022-11-20 12:47:04,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2022-11-20 12:47:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.2319004524886878) internal successors, (1089), 884 states have internal predecessors, (1089), 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 12:47:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1089 transitions. [2022-11-20 12:47:04,730 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1089 transitions. Word has length 99 [2022-11-20 12:47:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:04,730 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1089 transitions. [2022-11-20 12:47:04,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 12:47:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1089 transitions. [2022-11-20 12:47:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 12:47:04,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:04,737 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 12:47:04,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:47:04,737 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:04,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:04,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1089861481, now seen corresponding path program 1 times [2022-11-20 12:47:04,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:04,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279681833] [2022-11-20 12:47:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:04,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:04,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279681833] [2022-11-20 12:47:04,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279681833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:04,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:04,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:04,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072916112] [2022-11-20 12:47:04,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:04,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:04,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:04,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:04,827 INFO L87 Difference]: Start difference. First operand 885 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 12:47:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:05,514 INFO L93 Difference]: Finished difference Result 2469 states and 3053 transitions. [2022-11-20 12:47:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 100 [2022-11-20 12:47:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:05,521 INFO L225 Difference]: With dead ends: 2469 [2022-11-20 12:47:05,521 INFO L226 Difference]: Without dead ends: 1586 [2022-11-20 12:47:05,522 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 12:47:05,524 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:05,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:05,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2022-11-20 12:47:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2022-11-20 12:47:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1585 states have (on average 1.195583596214511) internal successors, (1895), 1585 states have internal predecessors, (1895), 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 12:47:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1895 transitions. [2022-11-20 12:47:05,561 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1895 transitions. Word has length 100 [2022-11-20 12:47:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:05,562 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 1895 transitions. [2022-11-20 12:47:05,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 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 12:47:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1895 transitions. [2022-11-20 12:47:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 12:47:05,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:05,566 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 12:47:05,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:47:05,566 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash -818067111, now seen corresponding path program 1 times [2022-11-20 12:47:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:05,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736505600] [2022-11-20 12:47:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:05,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:05,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:05,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736505600] [2022-11-20 12:47:05,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736505600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:05,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:05,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:05,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66448034] [2022-11-20 12:47:05,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:05,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:05,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:05,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:05,744 INFO L87 Difference]: Start difference. First operand 1586 states and 1895 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 12:47:06,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:06,454 INFO L93 Difference]: Finished difference Result 3731 states and 4456 transitions. [2022-11-20 12:47:06,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:06,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 103 [2022-11-20 12:47:06,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:06,470 INFO L225 Difference]: With dead ends: 3731 [2022-11-20 12:47:06,470 INFO L226 Difference]: Without dead ends: 2147 [2022-11-20 12:47:06,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:06,477 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:06,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-11-20 12:47:06,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2022-11-20 12:47:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.156177156177156) internal successors, (2480), 2145 states have internal predecessors, (2480), 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 12:47:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2480 transitions. [2022-11-20 12:47:06,547 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2480 transitions. Word has length 103 [2022-11-20 12:47:06,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:06,548 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2480 transitions. [2022-11-20 12:47:06,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 12:47:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2480 transitions. [2022-11-20 12:47:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 12:47:06,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:06,557 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:47:06,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:47:06,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:06,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:06,561 INFO L85 PathProgramCache]: Analyzing trace with hash 869990602, now seen corresponding path program 1 times [2022-11-20 12:47:06,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:06,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767540673] [2022-11-20 12:47:06,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:06,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:06,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:06,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767540673] [2022-11-20 12:47:06,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767540673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:06,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:06,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:06,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465112841] [2022-11-20 12:47:06,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:06,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:06,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:06,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:06,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:06,747 INFO L87 Difference]: Start difference. First operand 2146 states and 2480 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 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 12:47:07,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:07,322 INFO L93 Difference]: Finished difference Result 4291 states and 4960 transitions. [2022-11-20 12:47:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:07,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 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 119 [2022-11-20 12:47:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:07,332 INFO L225 Difference]: With dead ends: 4291 [2022-11-20 12:47:07,332 INFO L226 Difference]: Without dead ends: 2147 [2022-11-20 12:47:07,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:07,341 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 162 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:07,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 52 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:47:07,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-11-20 12:47:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2022-11-20 12:47:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.1305361305361306) internal successors, (2425), 2145 states have internal predecessors, (2425), 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 12:47:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2425 transitions. [2022-11-20 12:47:07,397 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2425 transitions. Word has length 119 [2022-11-20 12:47:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:07,399 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2425 transitions. [2022-11-20 12:47:07,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 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 12:47:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2425 transitions. [2022-11-20 12:47:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 12:47:07,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:07,408 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:47:07,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:47:07,409 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1553358656, now seen corresponding path program 1 times [2022-11-20 12:47:07,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:07,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924310996] [2022-11-20 12:47:07,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:07,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924310996] [2022-11-20 12:47:07,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924310996] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:47:07,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610700337] [2022-11-20 12:47:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:47:07,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:07,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:47:07,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:47:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:08,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:47:08,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 12:47:08,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:47:08,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610700337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:08,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:47:08,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 12:47:08,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310522211] [2022-11-20 12:47:08,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:08,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:08,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:08,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:08,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:08,323 INFO L87 Difference]: Start difference. First operand 2146 states and 2425 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 12:47:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:08,952 INFO L93 Difference]: Finished difference Result 4290 states and 4848 transitions. [2022-11-20 12:47:08,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:08,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 12:47:08,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:08,965 INFO L225 Difference]: With dead ends: 4290 [2022-11-20 12:47:08,965 INFO L226 Difference]: Without dead ends: 2146 [2022-11-20 12:47:08,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:08,969 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 76 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:08,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 248 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2022-11-20 12:47:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2146. [2022-11-20 12:47:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.0918414918414918) internal successors, (2342), 2145 states have internal predecessors, (2342), 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 12:47:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2342 transitions. [2022-11-20 12:47:09,014 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2342 transitions. Word has length 123 [2022-11-20 12:47:09,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:09,015 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2342 transitions. [2022-11-20 12:47:09,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 12:47:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2342 transitions. [2022-11-20 12:47:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 12:47:09,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:09,019 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:47:09,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:09,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 12:47:09,233 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:09,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:09,234 INFO L85 PathProgramCache]: Analyzing trace with hash -154508421, now seen corresponding path program 1 times [2022-11-20 12:47:09,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:09,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067133944] [2022-11-20 12:47:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:09,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:47:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:09,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067133944] [2022-11-20 12:47:09,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067133944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:09,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:09,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:09,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612685130] [2022-11-20 12:47:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:47:09,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:09,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:47:09,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:47:09,627 INFO L87 Difference]: Start difference. First operand 2146 states and 2342 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 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 12:47:10,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:10,561 INFO L93 Difference]: Finished difference Result 5073 states and 5591 transitions. [2022-11-20 12:47:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:47:10,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 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 124 [2022-11-20 12:47:10,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:10,571 INFO L225 Difference]: With dead ends: 5073 [2022-11-20 12:47:10,572 INFO L226 Difference]: Without dead ends: 2846 [2022-11-20 12:47:10,574 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 12:47:10,575 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:10,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 104 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:47:10,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-11-20 12:47:10,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2286. [2022-11-20 12:47:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2285 states have (on average 1.0954048140043764) internal successors, (2503), 2285 states have internal predecessors, (2503), 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 12:47:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 2503 transitions. [2022-11-20 12:47:10,628 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 2503 transitions. Word has length 124 [2022-11-20 12:47:10,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:10,629 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 2503 transitions. [2022-11-20 12:47:10,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 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 12:47:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2503 transitions. [2022-11-20 12:47:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 12:47:10,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:10,633 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:47:10,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:47:10,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:10,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:10,634 INFO L85 PathProgramCache]: Analyzing trace with hash 93311600, now seen corresponding path program 1 times [2022-11-20 12:47:10,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:10,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890375204] [2022-11-20 12:47:10,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:10,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 12:47:11,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:11,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890375204] [2022-11-20 12:47:11,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890375204] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:47:11,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084246087] [2022-11-20 12:47:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:11,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:47:11,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:11,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:47:11,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:47:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:11,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:47:11,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 12:47:11,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:47:11,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084246087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:11,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:47:11,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 12:47:11,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151023562] [2022-11-20 12:47:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:11,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:11,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:11,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:11,299 INFO L87 Difference]: Start difference. First operand 2286 states and 2503 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 12:47:11,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:11,926 INFO L93 Difference]: Finished difference Result 5136 states and 5670 transitions. [2022-11-20 12:47:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:11,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 139 [2022-11-20 12:47:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:11,937 INFO L225 Difference]: With dead ends: 5136 [2022-11-20 12:47:11,937 INFO L226 Difference]: Without dead ends: 2852 [2022-11-20 12:47:11,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:11,943 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 134 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:11,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 113 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:47:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2022-11-20 12:47:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2569. [2022-11-20 12:47:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2568 states have (on average 1.088785046728972) internal successors, (2796), 2568 states have internal predecessors, (2796), 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 12:47:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 2796 transitions. [2022-11-20 12:47:12,021 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 2796 transitions. Word has length 139 [2022-11-20 12:47:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:12,022 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 2796 transitions. [2022-11-20 12:47:12,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 12:47:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2796 transitions. [2022-11-20 12:47:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 12:47:12,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:12,029 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 12:47:12,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:12,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:47:12,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1685717433, now seen corresponding path program 1 times [2022-11-20 12:47:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729336436] [2022-11-20 12:47:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:12,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:47:12,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:12,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729336436] [2022-11-20 12:47:12,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729336436] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:47:12,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203479534] [2022-11-20 12:47:12,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:12,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:47:12,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:12,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:47:12,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:47:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:12,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:47:12,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 12:47:12,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:47:12,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203479534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:12,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:47:12,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 12:47:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775143236] [2022-11-20 12:47:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:12,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:12,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:12,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:12,975 INFO L87 Difference]: Start difference. First operand 2569 states and 2796 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 12:47:13,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:13,527 INFO L93 Difference]: Finished difference Result 5696 states and 6247 transitions. [2022-11-20 12:47:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:13,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 150 [2022-11-20 12:47:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:13,537 INFO L225 Difference]: With dead ends: 5696 [2022-11-20 12:47:13,537 INFO L226 Difference]: Without dead ends: 2568 [2022-11-20 12:47:13,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:13,543 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 67 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:13,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 248 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:47:13,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2022-11-20 12:47:13,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2568. [2022-11-20 12:47:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 2567 states have (on average 1.0716790027269185) internal successors, (2751), 2567 states have internal predecessors, (2751), 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 12:47:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 2751 transitions. [2022-11-20 12:47:13,619 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 2751 transitions. Word has length 150 [2022-11-20 12:47:13,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:13,619 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 2751 transitions. [2022-11-20 12:47:13,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 12:47:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2751 transitions. [2022-11-20 12:47:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-20 12:47:13,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:13,624 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-20 12:47:13,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 12:47:13,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 12:47:13,835 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:13,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:13,835 INFO L85 PathProgramCache]: Analyzing trace with hash 274034938, now seen corresponding path program 1 times [2022-11-20 12:47:13,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:13,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523445267] [2022-11-20 12:47:13,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:13,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 77 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-20 12:47:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:14,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523445267] [2022-11-20 12:47:14,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523445267] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:47:14,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138996681] [2022-11-20 12:47:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:14,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:47:14,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:14,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:47:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:47:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:14,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:47:14,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:47:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 12:47:14,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:47:14,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138996681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:14,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:47:14,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 12:47:14,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614980203] [2022-11-20 12:47:14,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:14,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:14,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:14,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:14,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:14,421 INFO L87 Difference]: Start difference. First operand 2568 states and 2751 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 12:47:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:14,896 INFO L93 Difference]: Finished difference Result 6271 states and 6742 transitions. [2022-11-20 12:47:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:14,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 156 [2022-11-20 12:47:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:14,908 INFO L225 Difference]: With dead ends: 6271 [2022-11-20 12:47:14,908 INFO L226 Difference]: Without dead ends: 3705 [2022-11-20 12:47:14,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:14,911 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 156 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:14,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 128 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:47:14,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3705 states. [2022-11-20 12:47:14,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3705 to 3414. [2022-11-20 12:47:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3414 states, 3413 states have (on average 1.0738353354819807) internal successors, (3665), 3413 states have internal predecessors, (3665), 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 12:47:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3414 states and 3665 transitions. [2022-11-20 12:47:14,994 INFO L78 Accepts]: Start accepts. Automaton has 3414 states and 3665 transitions. Word has length 156 [2022-11-20 12:47:14,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:14,994 INFO L495 AbstractCegarLoop]: Abstraction has 3414 states and 3665 transitions. [2022-11-20 12:47:14,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 12:47:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 3665 transitions. [2022-11-20 12:47:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-20 12:47:14,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:15,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:47:15,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:47:15,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 12:47:15,206 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:15,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1517795470, now seen corresponding path program 1 times [2022-11-20 12:47:15,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:15,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386821422] [2022-11-20 12:47:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 12:47:15,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:15,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386821422] [2022-11-20 12:47:15,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386821422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:15,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:15,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:15,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512773393] [2022-11-20 12:47:15,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:15,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:15,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:15,328 INFO L87 Difference]: Start difference. First operand 3414 states and 3665 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 12:47:15,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:15,883 INFO L93 Difference]: Finished difference Result 6827 states and 7330 transitions. [2022-11-20 12:47:15,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:15,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 160 [2022-11-20 12:47:15,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:15,893 INFO L225 Difference]: With dead ends: 6827 [2022-11-20 12:47:15,894 INFO L226 Difference]: Without dead ends: 3135 [2022-11-20 12:47:15,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:15,898 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 134 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:15,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 243 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:47:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2022-11-20 12:47:15,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 2705. [2022-11-20 12:47:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2704 states have (on average 1.0639792899408285) internal successors, (2877), 2704 states have internal predecessors, (2877), 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 12:47:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 2877 transitions. [2022-11-20 12:47:15,960 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 2877 transitions. Word has length 160 [2022-11-20 12:47:15,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:15,960 INFO L495 AbstractCegarLoop]: Abstraction has 2705 states and 2877 transitions. [2022-11-20 12:47:15,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 12:47:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 2877 transitions. [2022-11-20 12:47:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-20 12:47:15,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:15,966 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:47:15,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:47:15,967 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:15,968 INFO L85 PathProgramCache]: Analyzing trace with hash 966977640, now seen corresponding path program 1 times [2022-11-20 12:47:15,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:15,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073142588] [2022-11-20 12:47:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:15,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 12:47:16,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:16,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073142588] [2022-11-20 12:47:16,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073142588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:16,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:16,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:16,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299304839] [2022-11-20 12:47:16,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:16,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:16,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:16,137 INFO L87 Difference]: Start difference. First operand 2705 states and 2877 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 12:47:16,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:16,674 INFO L93 Difference]: Finished difference Result 5823 states and 6203 transitions. [2022-11-20 12:47:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:16,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 194 [2022-11-20 12:47:16,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:16,685 INFO L225 Difference]: With dead ends: 5823 [2022-11-20 12:47:16,685 INFO L226 Difference]: Without dead ends: 3120 [2022-11-20 12:47:16,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:16,690 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 130 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:16,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 198 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:47:16,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2022-11-20 12:47:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 3118. [2022-11-20 12:47:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3117 states have (on average 1.053897978825794) internal successors, (3285), 3117 states have internal predecessors, (3285), 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 12:47:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 3285 transitions. [2022-11-20 12:47:16,766 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 3285 transitions. Word has length 194 [2022-11-20 12:47:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:16,766 INFO L495 AbstractCegarLoop]: Abstraction has 3118 states and 3285 transitions. [2022-11-20 12:47:16,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 12:47:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 3285 transitions. [2022-11-20 12:47:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 12:47:16,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:47:16,794 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:47:16,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:47:16,794 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:47:16,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:16,795 INFO L85 PathProgramCache]: Analyzing trace with hash -328317688, now seen corresponding path program 1 times [2022-11-20 12:47:16,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:16,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658751212] [2022-11-20 12:47:16,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-20 12:47:17,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:17,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658751212] [2022-11-20 12:47:17,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658751212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:17,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:17,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71596497] [2022-11-20 12:47:17,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:17,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:17,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:17,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:17,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:17,010 INFO L87 Difference]: Start difference. First operand 3118 states and 3285 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 12:47:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:47:17,506 INFO L93 Difference]: Finished difference Result 6227 states and 6544 transitions. [2022-11-20 12:47:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:17,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 204 [2022-11-20 12:47:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:47:17,508 INFO L225 Difference]: With dead ends: 6227 [2022-11-20 12:47:17,508 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:47:17,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:17,514 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 129 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:47:17,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 220 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:47:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:47:17,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:47:17,515 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 12:47:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:47:17,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2022-11-20 12:47:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:47:17,516 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:47:17,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 12:47:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:47:17,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:47:17,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:47:17,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:47:17,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:47:19,094 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,094 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,094 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,094 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-11-20 12:47:19,095 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,096 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-11-20 12:47:19,097 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-11-20 12:47:19,098 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-11-20 12:47:19,099 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-11-20 12:47:19,100 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-11-20 12:47:19,101 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,102 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,103 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-11-20 12:47:19,104 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-11-20 12:47:19,105 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-11-20 12:47:19,106 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-11-20 12:47:19,108 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-11-20 12:47:19,109 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-11-20 12:47:19,109 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-11-20 12:47:19,109 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-11-20 12:47:19,109 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-11-20 12:47:19,109 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-11-20 12:47:19,110 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,110 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,110 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,110 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-11-20 12:47:19,110 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,111 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,112 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-11-20 12:47:19,112 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-11-20 12:47:19,112 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-11-20 12:47:19,112 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-11-20 12:47:19,112 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-11-20 12:47:19,113 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-11-20 12:47:19,114 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,114 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,114 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-11-20 12:47:19,114 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-11-20 12:47:19,114 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-11-20 12:47:19,115 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-11-20 12:47:19,116 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse10 (<= 10 ~a28~0)) (.cse5 (= ~a11~0 0)) (.cse9 (<= ~a25~0 0)) (.cse0 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse1 (<= 9 ~a28~0)) (.cse2 (= ~a25~0 1)) (.cse8 (<= ~a28~0 10)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (and .cse6 .cse7) (and .cse1 .cse5 .cse8 .cse4 .cse9) (and .cse10 .cse2 .cse5 .cse8 .cse7) (and .cse8 .cse9 .cse7) (and .cse10 .cse8 (not .cse2) .cse4) (and .cse5 .cse9 .cse7) (and (= ~a25~0 ~a11~0) .cse2 .cse4 .cse6) (and .cse5 .cse8 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 (<= ~a17~0 7) .cse8 .cse7))) [2022-11-20 12:47:19,116 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,117 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,117 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-11-20 12:47:19,117 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-11-20 12:47:19,117 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-11-20 12:47:19,117 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-11-20 12:47:19,118 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-11-20 12:47:19,118 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-11-20 12:47:19,118 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-11-20 12:47:19,118 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,118 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-11-20 12:47:19,119 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,120 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-11-20 12:47:19,121 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-11-20 12:47:19,121 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-11-20 12:47:19,121 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-11-20 12:47:19,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:47:19,121 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-11-20 12:47:19,122 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-11-20 12:47:19,122 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse10 (<= 10 ~a28~0)) (.cse5 (= ~a11~0 0)) (.cse9 (<= ~a25~0 0)) (.cse0 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse1 (<= 9 ~a28~0)) (.cse2 (= ~a25~0 1)) (.cse8 (<= ~a28~0 10)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (and .cse6 .cse7) (and .cse1 .cse5 .cse8 .cse4 .cse9) (and .cse10 .cse2 .cse5 .cse8 .cse7) (and .cse8 .cse9 .cse7) (and .cse10 .cse8 (not .cse2) .cse4) (and .cse5 .cse9 .cse7) (and (= ~a25~0 ~a11~0) .cse2 .cse4 .cse6) (and .cse5 .cse8 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 (<= ~a17~0 7) .cse8 .cse7))) [2022-11-20 12:47:19,122 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,122 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,123 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-11-20 12:47:19,123 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-11-20 12:47:19,123 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-11-20 12:47:19,123 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-11-20 12:47:19,123 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-11-20 12:47:19,124 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,124 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,124 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-11-20 12:47:19,124 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-11-20 12:47:19,124 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-11-20 12:47:19,125 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-11-20 12:47:19,126 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,126 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,126 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-11-20 12:47:19,126 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-11-20 12:47:19,127 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-11-20 12:47:19,128 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-11-20 12:47:19,129 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-11-20 12:47:19,129 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-11-20 12:47:19,129 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,129 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,129 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-11-20 12:47:19,130 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-11-20 12:47:19,134 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:47:19,137 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:47:19,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:47:19 BoogieIcfgContainer [2022-11-20 12:47:19,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:47:19,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:47:19,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:47:19,183 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:47:19,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:47:00" (3/4) ... [2022-11-20 12:47:19,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:47:19,217 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 12:47:19,218 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 12:47:19,219 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:47:19,220 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:47:19,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:47:19,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:47:19,370 INFO L158 Benchmark]: Toolchain (without parser) took 21346.46ms. Allocated memory was 159.4MB in the beginning and 356.5MB in the end (delta: 197.1MB). Free memory was 127.4MB in the beginning and 229.4MB in the end (delta: -102.1MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,375 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:47:19,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.07ms. Allocated memory is still 159.4MB. Free memory was 126.6MB in the beginning and 100.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.44ms. Allocated memory is still 159.4MB. Free memory was 100.6MB in the beginning and 95.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,377 INFO L158 Benchmark]: Boogie Preprocessor took 67.14ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 91.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,377 INFO L158 Benchmark]: RCFGBuilder took 1594.42ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 90.6MB in the end (delta: 349.5kB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,378 INFO L158 Benchmark]: TraceAbstraction took 18631.74ms. Allocated memory was 159.4MB in the beginning and 356.5MB in the end (delta: 197.1MB). Free memory was 90.6MB in the beginning and 239.1MB in the end (delta: -148.5MB). Peak memory consumption was 143.8MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,378 INFO L158 Benchmark]: Witness Printer took 187.37ms. Allocated memory is still 356.5MB. Free memory was 239.1MB in the beginning and 229.4MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:47:19,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.07ms. Allocated memory is still 159.4MB. Free memory was 126.6MB in the beginning and 100.6MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.44ms. Allocated memory is still 159.4MB. Free memory was 100.6MB in the beginning and 95.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.14ms. Allocated memory is still 159.4MB. Free memory was 95.2MB in the beginning and 91.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1594.42ms. Allocated memory is still 159.4MB. Free memory was 91.0MB in the beginning and 90.6MB in the end (delta: 349.5kB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 18631.74ms. Allocated memory was 159.4MB in the beginning and 356.5MB in the end (delta: 197.1MB). Free memory was 90.6MB in the beginning and 239.1MB in the end (delta: -148.5MB). Peak memory consumption was 143.8MB. Max. memory is 16.1GB. * Witness Printer took 187.37ms. Allocated memory is still 356.5MB. Free memory was 239.1MB in the beginning and 229.4MB in the end (delta: 9.7MB). 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: 452]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1892 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 2399 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 864 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5332 IncrementalHoareTripleChecker+Invalid, 6196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 864 mSolverCounterUnsat, 2143 mSDtfsCounter, 5332 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 607 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3414occurred in iteration=11, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 63 NumberOfFragments, 361 HoareAnnotationTreeSize, 3 FomulaSimplifications, 160 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1296 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2423 NumberOfCodeBlocks, 2423 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2405 ConstructedInterpolants, 0 QuantifiedInterpolants, 6941 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1203 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 1191/1223 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((((a17 == 8 && 9 <= a28) && a25 == 1) && a21 == 1) && a19 == 1) || ((a25 == 1 && a11 == 0) && a19 == 1)) || (a28 <= 7 && a19 <= 0)) || ((((9 <= a28 && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((10 <= a28 && a25 == 1) && a11 == 0) && a28 <= 10) && a19 <= 0)) || ((a28 <= 10 && a25 <= 0) && a19 <= 0)) || (((10 <= a28 && a28 <= 10) && !(a25 == 1)) && a19 == 1)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((a25 == a11 && a25 == 1) && a19 == 1) && a28 <= 7)) || ((((a11 == 0 && a28 <= 10) && a19 == 1) && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && 9 <= a28) && a21 == 1) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) && a19 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((((((((a17 == 8 && 9 <= a28) && a25 == 1) && a21 == 1) && a19 == 1) || ((a25 == 1 && a11 == 0) && a19 == 1)) || (a28 <= 7 && a19 <= 0)) || ((((9 <= a28 && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((10 <= a28 && a25 == 1) && a11 == 0) && a28 <= 10) && a19 <= 0)) || ((a28 <= 10 && a25 <= 0) && a19 <= 0)) || (((10 <= a28 && a28 <= 10) && !(a25 == 1)) && a19 == 1)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((a25 == a11 && a25 == 1) && a19 == 1) && a28 <= 7)) || ((((a11 == 0 && a28 <= 10) && a19 == 1) && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && 9 <= a28) && a21 == 1) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a25 == 1) && a17 <= 7) && a28 <= 10) && a19 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:47:19,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8337622c-1628-4393-b193-c002a33a9de9/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