./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX --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 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:39:58,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:39:58,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:39:58,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:39:58,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:39:58,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:39:58,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:39:58,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:39:58,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:39:58,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:39:58,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:39:58,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:39:58,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:39:58,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:39:58,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:39:58,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:39:58,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:39:58,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:39:58,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:39:58,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:39:58,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:39:58,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:39:58,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:39:58,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:39:58,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:39:58,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:39:58,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:39:58,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:39:58,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:39:58,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:39:58,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:39:58,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:39:58,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:39:58,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:39:58,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:39:58,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:39:58,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:39:58,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:39:58,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:39:58,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:39:58,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:39:58,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:39:58,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:39:58,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:39:58,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:39:58,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:39:58,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:39:58,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:39:58,485 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:39:58,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:39:58,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:39:58,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:39:58,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:39:58,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:39:58,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:39:58,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:39:58,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:39:58,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:39:58,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:39:58,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:39:58,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:39:58,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:39:58,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:39:58,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:39:58,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:39:58,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:39:58,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:39:58,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:39:58,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:39:58,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:39:58,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:39:58,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:39:58,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:39:58,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:39:58,496 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_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 [2021-11-09 09:39:58,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:39:58,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:39:58,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:39:58,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:39:58,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:39:58,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2021-11-09 09:39:58,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/data/0bc086a79/a3d3530aaaac4b62a3dea98973617551/FLAGd03447a24 [2021-11-09 09:39:59,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:39:59,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2021-11-09 09:39:59,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/data/0bc086a79/a3d3530aaaac4b62a3dea98973617551/FLAGd03447a24 [2021-11-09 09:39:59,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/data/0bc086a79/a3d3530aaaac4b62a3dea98973617551 [2021-11-09 09:39:59,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:39:59,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:39:59,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:39:59,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:39:59,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:39:59,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:39:59" (1/1) ... [2021-11-09 09:39:59,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6f3783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:39:59, skipping insertion in model container [2021-11-09 09:39:59,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:39:59" (1/1) ... [2021-11-09 09:39:59,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:40:00,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:40:00,395 WARN L228 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_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2021-11-09 09:40:00,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:00,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:40:00,799 WARN L228 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_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2021-11-09 09:40:00,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:01,002 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:40:01,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01 WrapperNode [2021-11-09 09:40:01,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:40:01,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:01,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:40:01,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:40:01,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:01,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:40:01,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:40:01,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:40:01,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:40:01,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:40:01,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:40:01,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:40:01,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (1/1) ... [2021-11-09 09:40:01,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:40:01,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:01,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:01,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:40:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:40:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:40:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:40:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:40:03,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:40:03,608 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:40:03,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:03 BoogieIcfgContainer [2021-11-09 09:40:03,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:40:03,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:40:03,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:40:03,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:40:03,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:39:59" (1/3) ... [2021-11-09 09:40:03,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36878e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:40:03, skipping insertion in model container [2021-11-09 09:40:03,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:01" (2/3) ... [2021-11-09 09:40:03,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36878e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:40:03, skipping insertion in model container [2021-11-09 09:40:03,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:03" (3/3) ... [2021-11-09 09:40:03,621 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label16.c [2021-11-09 09:40:03,628 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:40:03,628 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 09:40:03,689 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:40:03,697 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:40:03,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 09:40:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-11-09 09:40:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-09 09:40:03,736 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:03,737 INFO L513 BasicCegarLoop]: 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] [2021-11-09 09:40:03,737 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:03,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:03,744 INFO L85 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2021-11-09 09:40:03,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:03,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764089374] [2021-11-09 09:40:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:03,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:04,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:04,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764089374] [2021-11-09 09:40:04,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764089374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:04,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:04,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:04,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631671563] [2021-11-09 09:40:04,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:04,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:04,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:04,104 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-11-09 09:40:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:05,587 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-11-09 09:40:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:05,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 43 [2021-11-09 09:40:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:05,618 INFO L225 Difference]: With dead ends: 776 [2021-11-09 09:40:05,619 INFO L226 Difference]: Without dead ends: 413 [2021-11-09 09:40:05,628 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-09 09:40:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-11-09 09:40:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 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) [2021-11-09 09:40:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-11-09 09:40:05,712 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 43 [2021-11-09 09:40:05,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:05,713 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-11-09 09:40:05,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-11-09 09:40:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-11-09 09:40:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-09 09:40:05,719 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:05,720 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 09:40:05,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:40:05,721 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:05,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1685692488, now seen corresponding path program 1 times [2021-11-09 09:40:05,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:05,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96718347] [2021-11-09 09:40:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:05,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:05,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:05,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96718347] [2021-11-09 09:40:05,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96718347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:05,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:05,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:05,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241060918] [2021-11-09 09:40:05,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:05,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:05,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:05,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:05,933 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-11-09 09:40:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:07,113 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-11-09 09:40:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2021-11-09 09:40:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:07,123 INFO L225 Difference]: With dead ends: 1209 [2021-11-09 09:40:07,123 INFO L226 Difference]: Without dead ends: 800 [2021-11-09 09:40:07,125 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:07,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-09 09:40:07,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-11-09 09:40:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 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) [2021-11-09 09:40:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-11-09 09:40:07,171 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 111 [2021-11-09 09:40:07,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:07,171 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-11-09 09:40:07,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-11-09 09:40:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-11-09 09:40:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-09 09:40:07,178 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:07,179 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 09:40:07,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:40:07,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1595799053, now seen corresponding path program 1 times [2021-11-09 09:40:07,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:07,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927189044] [2021-11-09 09:40:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:07,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:07,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:07,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927189044] [2021-11-09 09:40:07,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927189044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:07,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:07,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:07,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525237664] [2021-11-09 09:40:07,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:07,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:07,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:07,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:07,403 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-11-09 09:40:08,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:08,336 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-11-09 09:40:08,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:08,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2021-11-09 09:40:08,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:08,356 INFO L225 Difference]: With dead ends: 1942 [2021-11-09 09:40:08,356 INFO L226 Difference]: Without dead ends: 1157 [2021-11-09 09:40:08,358 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:08,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-11-09 09:40:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-11-09 09:40:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 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) [2021-11-09 09:40:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-11-09 09:40:08,393 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 113 [2021-11-09 09:40:08,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:08,394 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-11-09 09:40:08,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-11-09 09:40:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-11-09 09:40:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-09 09:40:08,401 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:08,402 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 09:40:08,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:40:08,402 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:08,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:08,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1018270588, now seen corresponding path program 1 times [2021-11-09 09:40:08,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:08,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437709998] [2021-11-09 09:40:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:08,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-09 09:40:08,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:08,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437709998] [2021-11-09 09:40:08,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437709998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:08,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:08,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:08,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32817395] [2021-11-09 09:40:08,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:08,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:08,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:08,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:08,633 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 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) [2021-11-09 09:40:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:09,649 INFO L93 Difference]: Finished difference Result 2502 states and 3336 transitions. [2021-11-09 09:40:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 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 155 [2021-11-09 09:40:09,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:09,665 INFO L225 Difference]: With dead ends: 2502 [2021-11-09 09:40:09,665 INFO L226 Difference]: Without dead ends: 1532 [2021-11-09 09:40:09,667 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-11-09 09:40:09,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-11-09 09:40:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 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) [2021-11-09 09:40:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions. [2021-11-09 09:40:09,709 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 155 [2021-11-09 09:40:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:09,710 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions. [2021-11-09 09:40:09,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 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) [2021-11-09 09:40:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions. [2021-11-09 09:40:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-09 09:40:09,714 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:09,715 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:09,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:40:09,716 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:09,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1288394605, now seen corresponding path program 1 times [2021-11-09 09:40:09,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:09,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270220264] [2021-11-09 09:40:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:09,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:09,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:09,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270220264] [2021-11-09 09:40:09,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270220264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:09,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:09,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:40:09,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791195747] [2021-11-09 09:40:09,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:09,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:09,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:09,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:09,864 INFO L87 Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2021-11-09 09:40:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:10,773 INFO L93 Difference]: Finished difference Result 3644 states and 4735 transitions. [2021-11-09 09:40:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:10,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 170 [2021-11-09 09:40:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:10,788 INFO L225 Difference]: With dead ends: 3644 [2021-11-09 09:40:10,788 INFO L226 Difference]: Without dead ends: 2298 [2021-11-09 09:40:10,791 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-11-09 09:40:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-11-09 09:40:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2650392327811684) internal successors, (2902), 2294 states have internal predecessors, (2902), 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) [2021-11-09 09:40:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2902 transitions. [2021-11-09 09:40:10,857 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2902 transitions. Word has length 170 [2021-11-09 09:40:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:10,858 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2902 transitions. [2021-11-09 09:40:10,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2021-11-09 09:40:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2902 transitions. [2021-11-09 09:40:10,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-09 09:40:10,864 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:10,865 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:10,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:40:10,865 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:10,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:10,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1139638576, now seen corresponding path program 1 times [2021-11-09 09:40:10,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:10,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143630428] [2021-11-09 09:40:10,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:10,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-09 09:40:11,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:11,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143630428] [2021-11-09 09:40:11,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143630428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:11,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:11,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:40:11,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758046387] [2021-11-09 09:40:11,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:11,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:11,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:11,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:11,074 INFO L87 Difference]: Start difference. First operand 2295 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-11-09 09:40:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:12,111 INFO L93 Difference]: Finished difference Result 5515 states and 7137 transitions. [2021-11-09 09:40:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:12,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 225 [2021-11-09 09:40:12,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:12,141 INFO L225 Difference]: With dead ends: 5515 [2021-11-09 09:40:12,142 INFO L226 Difference]: Without dead ends: 3406 [2021-11-09 09:40:12,147 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:12,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2021-11-09 09:40:12,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3400. [2021-11-09 09:40:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3400 states, 3399 states have (on average 1.281259193880553) internal successors, (4355), 3399 states have internal predecessors, (4355), 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) [2021-11-09 09:40:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4355 transitions. [2021-11-09 09:40:12,242 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4355 transitions. Word has length 225 [2021-11-09 09:40:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:12,242 INFO L470 AbstractCegarLoop]: Abstraction has 3400 states and 4355 transitions. [2021-11-09 09:40:12,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-11-09 09:40:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4355 transitions. [2021-11-09 09:40:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-09 09:40:12,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:12,249 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-11-09 09:40:12,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:40:12,249 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:12,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:12,250 INFO L85 PathProgramCache]: Analyzing trace with hash -972617143, now seen corresponding path program 1 times [2021-11-09 09:40:12,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:12,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925412402] [2021-11-09 09:40:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:12,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-09 09:40:12,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:12,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925412402] [2021-11-09 09:40:12,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925412402] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:40:12,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751131922] [2021-11-09 09:40:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:12,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:40:12,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:12,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:40:12,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:40:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:12,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:40:12,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:40:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-09 09:40:13,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751131922] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:40:13,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:40:13,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-11-09 09:40:13,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896724362] [2021-11-09 09:40:13,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:40:13,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:13,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:40:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:40:13,626 INFO L87 Difference]: Start difference. First operand 3400 states and 4355 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-11-09 09:40:15,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:15,284 INFO L93 Difference]: Finished difference Result 9034 states and 11962 transitions. [2021-11-09 09:40:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:40:15,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 235 [2021-11-09 09:40:15,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:15,322 INFO L225 Difference]: With dead ends: 9034 [2021-11-09 09:40:15,323 INFO L226 Difference]: Without dead ends: 5820 [2021-11-09 09:40:15,328 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:40:15,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5820 states. [2021-11-09 09:40:15,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5820 to 4890. [2021-11-09 09:40:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 4889 states have (on average 1.2648803436285538) internal successors, (6184), 4889 states have internal predecessors, (6184), 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) [2021-11-09 09:40:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6184 transitions. [2021-11-09 09:40:15,478 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6184 transitions. Word has length 235 [2021-11-09 09:40:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:15,480 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6184 transitions. [2021-11-09 09:40:15,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-11-09 09:40:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6184 transitions. [2021-11-09 09:40:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-09 09:40:15,491 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:15,492 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:15,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:40:15,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 09:40:15,707 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1472509606, now seen corresponding path program 1 times [2021-11-09 09:40:15,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:15,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418255791] [2021-11-09 09:40:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:15,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-09 09:40:15,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:15,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418255791] [2021-11-09 09:40:15,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418255791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:15,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:15,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:40:15,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622618879] [2021-11-09 09:40:15,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:15,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:15,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:15,919 INFO L87 Difference]: Start difference. First operand 4890 states and 6184 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-11-09 09:40:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:17,035 INFO L93 Difference]: Finished difference Result 12008 states and 15346 transitions. [2021-11-09 09:40:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 321 [2021-11-09 09:40:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:17,079 INFO L225 Difference]: With dead ends: 12008 [2021-11-09 09:40:17,080 INFO L226 Difference]: Without dead ends: 7304 [2021-11-09 09:40:17,086 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:17,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2021-11-09 09:40:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 7100. [2021-11-09 09:40:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7100 states, 7099 states have (on average 1.229750669108325) internal successors, (8730), 7099 states have internal predecessors, (8730), 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) [2021-11-09 09:40:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7100 states to 7100 states and 8730 transitions. [2021-11-09 09:40:17,268 INFO L78 Accepts]: Start accepts. Automaton has 7100 states and 8730 transitions. Word has length 321 [2021-11-09 09:40:17,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:17,269 INFO L470 AbstractCegarLoop]: Abstraction has 7100 states and 8730 transitions. [2021-11-09 09:40:17,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-11-09 09:40:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7100 states and 8730 transitions. [2021-11-09 09:40:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-09 09:40:17,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:17,281 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:17,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:40:17,281 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:17,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1995018028, now seen corresponding path program 1 times [2021-11-09 09:40:17,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:17,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250267115] [2021-11-09 09:40:17,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:17,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-09 09:40:17,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:17,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250267115] [2021-11-09 09:40:17,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250267115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:17,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:17,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:40:17,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506600876] [2021-11-09 09:40:17,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:17,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:17,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:17,512 INFO L87 Difference]: Start difference. First operand 7100 states and 8730 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-11-09 09:40:18,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:18,504 INFO L93 Difference]: Finished difference Result 13604 states and 16624 transitions. [2021-11-09 09:40:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:18,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 322 [2021-11-09 09:40:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:18,508 INFO L225 Difference]: With dead ends: 13604 [2021-11-09 09:40:18,508 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 09:40:18,524 INFO L786 BasicCegarLoop]: 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 [2021-11-09 09:40:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 09:40:18,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 09:40:18,524 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) [2021-11-09 09:40:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:40:18,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2021-11-09 09:40:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:18,525 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:40:18,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2021-11-09 09:40:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:40:18,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 09:40:18,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:40:18,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:40:18,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 09:40:18,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:40:18,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:40:18,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:40:18,626 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-09 09:40:18,627 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,627 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-09 09:40:18,627 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,627 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,628 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,628 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,628 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,628 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,628 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-09 09:40:18,629 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-09 09:40:18,629 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-09 09:40:18,629 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,629 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,629 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,630 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,630 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,630 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,630 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,631 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,631 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,631 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,631 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-09 09:40:18,631 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,632 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,633 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,633 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,633 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,633 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,633 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-09 09:40:18,634 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-09 09:40:18,634 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-09 09:40:18,634 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,634 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,634 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,635 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (= ~a4~0 0) (and (<= ~a29~0 275) .cse0) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2021-11-09 09:40:18,635 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,635 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-09 09:40:18,635 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-09 09:40:18,636 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,636 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,636 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,636 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,636 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,637 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,637 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-09 09:40:18,637 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-09 09:40:18,637 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-09 09:40:18,637 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-09 09:40:18,638 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,638 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,638 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,638 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,638 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,639 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,639 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,639 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-09 09:40:18,639 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-09 09:40:18,639 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-09 09:40:18,640 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,640 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,640 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,640 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,640 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-09 09:40:18,641 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-09 09:40:18,642 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-09 09:40:18,642 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,642 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (= ~a4~0 0) (and (<= ~a29~0 275) .cse0) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2021-11-09 09:40:18,642 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,643 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,644 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,644 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-09 09:40:18,644 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-09 09:40:18,644 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-09 09:40:18,644 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-09 09:40:18,645 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-09 09:40:18,645 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-09 09:40:18,645 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-09 09:40:18,645 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,645 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,646 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,646 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,646 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,646 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,646 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,647 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,647 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,647 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,647 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 09:40:18,647 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-09 09:40:18,648 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-09 09:40:18,648 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-09 09:40:18,648 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-09 09:40:18,648 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,648 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-09 09:40:18,649 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-09 09:40:18,650 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,650 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,650 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,650 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,650 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-09 09:40:18,651 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-09 09:40:18,651 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,651 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,651 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,651 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,652 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,652 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,652 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-09 09:40:18,652 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-09 09:40:18,652 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,653 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,653 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-09 09:40:18,653 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-09 09:40:18,653 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-09 09:40:18,653 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 09:40:18,654 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2021-11-09 09:40:18,654 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,654 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,654 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,654 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,655 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,655 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,655 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,655 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-09 09:40:18,655 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-09 09:40:18,656 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-09 09:40:18,656 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-09 09:40:18,656 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-09 09:40:18,656 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-09 09:40:18,656 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,657 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,658 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,658 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,658 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,658 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-09 09:40:18,658 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-09 09:40:18,659 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-09 09:40:18,659 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,659 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,659 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,659 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-09 09:40:18,660 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,661 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,661 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,661 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,661 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,661 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,662 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,662 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,662 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-09 09:40:18,662 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-09 09:40:18,662 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,663 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,664 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,664 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,664 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,664 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,664 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-09 09:40:18,665 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,666 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,666 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,666 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,666 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,666 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,667 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,667 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-09 09:40:18,667 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-09 09:40:18,667 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-09 09:40:18,667 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,668 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,669 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,669 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,669 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,669 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-09 09:40:18,669 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-09 09:40:18,670 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,670 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,670 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-09 09:40:18,670 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-09 09:40:18,670 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,671 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,672 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-09 09:40:18,672 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-09 09:40:18,672 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-09 09:40:18,672 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-09 09:40:18,672 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,673 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,674 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,674 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-09 09:40:18,674 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-09 09:40:18,674 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-09 09:40:18,674 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-09 09:40:18,675 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-09 09:40:18,675 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-09 09:40:18,675 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,675 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,675 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,676 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,676 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,676 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,676 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,676 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-09 09:40:18,677 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-09 09:40:18,677 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 09:40:18,677 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,677 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,677 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-09 09:40:18,678 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,679 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,679 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,679 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,679 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,679 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,680 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-09 09:40:18,681 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-09 09:40:18,681 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-09 09:40:18,681 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-09 09:40:18,685 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:18,687 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:40:18,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:40:18 BoogieIcfgContainer [2021-11-09 09:40:18,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:40:18,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:40:18,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:40:18,711 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:40:18,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:03" (3/4) ... [2021-11-09 09:40:18,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:40:18,757 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-09 09:40:18,759 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 09:40:18,762 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:40:18,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:40:18,925 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:40:18,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:40:18,927 INFO L168 Benchmark]: Toolchain (without parser) took 19000.77 ms. Allocated memory was 125.8 MB in the beginning and 293.6 MB in the end (delta: 167.8 MB). Free memory was 92.2 MB in the beginning and 99.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 162.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,928 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 79.7 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:40:18,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.17 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 65.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.57 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 65.0 MB in the beginning and 128.8 MB in the end (delta: -63.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,929 INFO L168 Benchmark]: Boogie Preprocessor took 151.04 ms. Allocated memory is still 172.0 MB. Free memory was 128.8 MB in the beginning and 119.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,930 INFO L168 Benchmark]: RCFGBuilder took 2241.36 ms. Allocated memory is still 172.0 MB. Free memory was 119.3 MB in the beginning and 101.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,930 INFO L168 Benchmark]: TraceAbstraction took 15096.95 ms. Allocated memory was 172.0 MB in the beginning and 293.6 MB in the end (delta: 121.6 MB). Free memory was 100.0 MB in the beginning and 123.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 98.0 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,931 INFO L168 Benchmark]: Witness Printer took 214.85 ms. Allocated memory is still 293.6 MB. Free memory was 123.6 MB in the beginning and 99.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:40:18,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 79.7 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1077.17 ms. Allocated memory is still 125.8 MB. Free memory was 92.0 MB in the beginning and 65.0 MB in the end (delta: 27.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 210.57 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 65.0 MB in the beginning and 128.8 MB in the end (delta: -63.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.04 ms. Allocated memory is still 172.0 MB. Free memory was 128.8 MB in the beginning and 119.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2241.36 ms. Allocated memory is still 172.0 MB. Free memory was 119.3 MB in the beginning and 101.0 MB in the end (delta: 18.3 MB). Peak memory consumption was 87.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15096.95 ms. Allocated memory was 172.0 MB in the beginning and 293.6 MB in the end (delta: 121.6 MB). Free memory was 100.0 MB in the beginning and 123.6 MB in the end (delta: -23.6 MB). Peak memory consumption was 98.0 MB. Max. memory is 16.1 GB. * Witness Printer took 214.85 ms. Allocated memory is still 293.6 MB. Free memory was 123.6 MB in the beginning and 99.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * 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: 145]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1495 SDtfs, 1703 SDslu, 225 SDs, 0 SdLazy, 5110 SolverSat, 1055 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7100occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1159 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 75 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1930 NumberOfCodeBlocks, 1930 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1920 ConstructedInterpolants, 0 QuantifiedInterpolants, 4454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 1174/1336 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: 1044]: Loop Invariant Derived loop invariant: ((a4 == 0 || (a29 <= 275 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((a4 == 0 || (a29 <= 275 && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-09 09:40:18,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92fb78c4-ffbf-4865-bad1-fbe24b64d0e4/bin/uautomizer-IVEQpCNsaX/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