./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31de2fb67e84e52bb7705ac8720e6b139fef2d91 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:54:40,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:54:40,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:54:40,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:54:40,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:54:40,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:54:40,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:54:40,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:54:40,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:54:40,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:54:40,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:54:40,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:54:40,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:54:40,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:54:40,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:54:40,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:54:40,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:54:40,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:54:40,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:54:40,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:54:40,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:54:40,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:54:40,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:54:40,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:54:40,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:54:40,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:54:40,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:54:40,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:54:40,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:54:40,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:54:40,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:54:40,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:54:40,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:54:40,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:54:40,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:54:40,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:54:40,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:54:40,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:54:40,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:54:40,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:54:40,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:54:40,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-07 13:54:40,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:54:40,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:54:40,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:54:40,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:54:40,656 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:54:40,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:54:40,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:54:40,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:54:40,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:54:40,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:54:40,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:54:40,658 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 13:54:40,658 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 13:54:40,658 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 13:54:40,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:54:40,658 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:54:40,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:54:40,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:54:40,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:54:40,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:54:40,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:54:40,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:54:40,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:54:40,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:54:40,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:54:40,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:54:40,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:54:40,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:54:40,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2019-12-07 13:54:40,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:54:40,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:54:40,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:54:40,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:54:40,773 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:54:40,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/../../sv-benchmarks/c/forester-heap/sll-01-2.i [2019-12-07 13:54:40,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/data/deddb9fc4/e270c6c49a074abd9ab40786b392f20c/FLAG5b8c7e3de [2019-12-07 13:54:41,275 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:54:41,275 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/sv-benchmarks/c/forester-heap/sll-01-2.i [2019-12-07 13:54:41,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/data/deddb9fc4/e270c6c49a074abd9ab40786b392f20c/FLAG5b8c7e3de [2019-12-07 13:54:41,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/data/deddb9fc4/e270c6c49a074abd9ab40786b392f20c [2019-12-07 13:54:41,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:54:41,299 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 13:54:41,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:54:41,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:54:41,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:54:41,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2099ef5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41, skipping insertion in model container [2019-12-07 13:54:41,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:54:41,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:54:41,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:54:41,581 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:54:41,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:54:41,643 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:54:41,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41 WrapperNode [2019-12-07 13:54:41,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:54:41,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:54:41,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:54:41,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:54:41,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... [2019-12-07 13:54:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:54:41,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:54:41,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:54:41,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:54:41,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:54:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 13:54:41,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:54:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 13:54:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 13:54:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 13:54:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 13:54:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-12-07 13:54:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 13:54:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 13:54:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 13:54:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 13:54:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 13:54:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:54:42,156 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:54:42,157 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 13:54:42,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:54:42 BoogieIcfgContainer [2019-12-07 13:54:42,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:54:42,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:54:42,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:54:42,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:54:42,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:54:41" (1/3) ... [2019-12-07 13:54:42,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cb62f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:54:42, skipping insertion in model container [2019-12-07 13:54:42,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:54:41" (2/3) ... [2019-12-07 13:54:42,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cb62f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:54:42, skipping insertion in model container [2019-12-07 13:54:42,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:54:42" (3/3) ... [2019-12-07 13:54:42,162 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2019-12-07 13:54:42,169 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:54:42,174 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 80 error locations. [2019-12-07 13:54:42,181 INFO L249 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2019-12-07 13:54:42,195 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:54:42,195 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 13:54:42,195 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:54:42,195 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:54:42,195 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:54:42,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:54:42,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:54:42,196 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:54:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-12-07 13:54:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 13:54:42,218 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:42,219 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:42,219 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:42,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:42,223 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-12-07 13:54:42,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:42,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705329922] [2019-12-07 13:54:42,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:42,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705329922] [2019-12-07 13:54:42,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:42,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:54:42,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878962873] [2019-12-07 13:54:42,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:42,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:42,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:42,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:42,380 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 4 states. [2019-12-07 13:54:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:42,661 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2019-12-07 13:54:42,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:54:42,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 13:54:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:42,670 INFO L225 Difference]: With dead ends: 198 [2019-12-07 13:54:42,670 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 13:54:42,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:54:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 13:54:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2019-12-07 13:54:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-12-07 13:54:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 202 transitions. [2019-12-07 13:54:42,706 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 202 transitions. Word has length 7 [2019-12-07 13:54:42,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:42,707 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 202 transitions. [2019-12-07 13:54:42,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 202 transitions. [2019-12-07 13:54:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 13:54:42,707 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:42,707 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:42,708 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:42,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:42,708 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-12-07 13:54:42,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:42,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257060229] [2019-12-07 13:54:42,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:42,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257060229] [2019-12-07 13:54:42,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:42,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:54:42,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922899058] [2019-12-07 13:54:42,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:42,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:42,752 INFO L87 Difference]: Start difference. First operand 189 states and 202 transitions. Second operand 4 states. [2019-12-07 13:54:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:42,980 INFO L93 Difference]: Finished difference Result 219 states and 231 transitions. [2019-12-07 13:54:42,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:42,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 13:54:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:42,982 INFO L225 Difference]: With dead ends: 219 [2019-12-07 13:54:42,982 INFO L226 Difference]: Without dead ends: 219 [2019-12-07 13:54:42,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:42,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-12-07 13:54:42,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 199. [2019-12-07 13:54:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-12-07 13:54:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 223 transitions. [2019-12-07 13:54:42,994 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 223 transitions. Word has length 7 [2019-12-07 13:54:42,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:42,994 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 223 transitions. [2019-12-07 13:54:42,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 223 transitions. [2019-12-07 13:54:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 13:54:42,995 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:42,995 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:42,995 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:42,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:42,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1607116447, now seen corresponding path program 1 times [2019-12-07 13:54:42,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:42,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53520535] [2019-12-07 13:54:42,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:43,026 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53520535] [2019-12-07 13:54:43,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:43,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:43,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431175120] [2019-12-07 13:54:43,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:43,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:43,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:43,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:43,027 INFO L87 Difference]: Start difference. First operand 199 states and 223 transitions. Second operand 4 states. [2019-12-07 13:54:43,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:43,192 INFO L93 Difference]: Finished difference Result 214 states and 226 transitions. [2019-12-07 13:54:43,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:43,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-12-07 13:54:43,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:43,194 INFO L225 Difference]: With dead ends: 214 [2019-12-07 13:54:43,194 INFO L226 Difference]: Without dead ends: 214 [2019-12-07 13:54:43,195 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-12-07 13:54:43,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 197. [2019-12-07 13:54:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-12-07 13:54:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 220 transitions. [2019-12-07 13:54:43,205 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 220 transitions. Word has length 9 [2019-12-07 13:54:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:43,206 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 220 transitions. [2019-12-07 13:54:43,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 220 transitions. [2019-12-07 13:54:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 13:54:43,206 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:43,206 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:43,207 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:43,207 INFO L82 PathProgramCache]: Analyzing trace with hash 590069371, now seen corresponding path program 1 times [2019-12-07 13:54:43,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:43,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053113423] [2019-12-07 13:54:43,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:43,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053113423] [2019-12-07 13:54:43,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:43,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:54:43,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203156286] [2019-12-07 13:54:43,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:54:43,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:43,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:54:43,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:43,259 INFO L87 Difference]: Start difference. First operand 197 states and 220 transitions. Second operand 6 states. [2019-12-07 13:54:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:43,649 INFO L93 Difference]: Finished difference Result 342 states and 374 transitions. [2019-12-07 13:54:43,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:54:43,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 13:54:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:43,651 INFO L225 Difference]: With dead ends: 342 [2019-12-07 13:54:43,651 INFO L226 Difference]: Without dead ends: 342 [2019-12-07 13:54:43,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:43,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-12-07 13:54:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 196. [2019-12-07 13:54:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-12-07 13:54:43,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 219 transitions. [2019-12-07 13:54:43,661 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 219 transitions. Word has length 14 [2019-12-07 13:54:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:43,661 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 219 transitions. [2019-12-07 13:54:43,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:54:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 219 transitions. [2019-12-07 13:54:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 13:54:43,662 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:43,662 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:43,663 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:43,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:43,663 INFO L82 PathProgramCache]: Analyzing trace with hash 590069372, now seen corresponding path program 1 times [2019-12-07 13:54:43,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:43,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753980112] [2019-12-07 13:54:43,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:43,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753980112] [2019-12-07 13:54:43,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:43,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:54:43,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585283861] [2019-12-07 13:54:43,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:54:43,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:43,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:54:43,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:43,725 INFO L87 Difference]: Start difference. First operand 196 states and 219 transitions. Second operand 6 states. [2019-12-07 13:54:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:44,147 INFO L93 Difference]: Finished difference Result 369 states and 414 transitions. [2019-12-07 13:54:44,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:54:44,147 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 13:54:44,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:44,149 INFO L225 Difference]: With dead ends: 369 [2019-12-07 13:54:44,149 INFO L226 Difference]: Without dead ends: 369 [2019-12-07 13:54:44,149 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-12-07 13:54:44,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 195. [2019-12-07 13:54:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-12-07 13:54:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 218 transitions. [2019-12-07 13:54:44,155 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 218 transitions. Word has length 14 [2019-12-07 13:54:44,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:44,155 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 218 transitions. [2019-12-07 13:54:44,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:54:44,156 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 218 transitions. [2019-12-07 13:54:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:54:44,156 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:44,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:44,156 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash -544499115, now seen corresponding path program 1 times [2019-12-07 13:54:44,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:44,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153046667] [2019-12-07 13:54:44,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:44,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153046667] [2019-12-07 13:54:44,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:44,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:44,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643147297] [2019-12-07 13:54:44,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:54:44,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:44,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:54:44,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:44,257 INFO L87 Difference]: Start difference. First operand 195 states and 218 transitions. Second operand 9 states. [2019-12-07 13:54:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:45,132 INFO L93 Difference]: Finished difference Result 343 states and 374 transitions. [2019-12-07 13:54:45,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 13:54:45,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-12-07 13:54:45,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:45,134 INFO L225 Difference]: With dead ends: 343 [2019-12-07 13:54:45,135 INFO L226 Difference]: Without dead ends: 343 [2019-12-07 13:54:45,135 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:45,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-12-07 13:54:45,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 194. [2019-12-07 13:54:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 13:54:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-12-07 13:54:45,140 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-12-07 13:54:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:45,140 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-12-07 13:54:45,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:54:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-12-07 13:54:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:54:45,141 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:45,141 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:45,142 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:45,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:45,142 INFO L82 PathProgramCache]: Analyzing trace with hash -544499116, now seen corresponding path program 1 times [2019-12-07 13:54:45,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:45,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445182826] [2019-12-07 13:54:45,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:45,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445182826] [2019-12-07 13:54:45,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:45,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:45,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034990124] [2019-12-07 13:54:45,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:54:45,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:45,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:54:45,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:45,213 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 9 states. [2019-12-07 13:54:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:45,827 INFO L93 Difference]: Finished difference Result 340 states and 371 transitions. [2019-12-07 13:54:45,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:54:45,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-12-07 13:54:45,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:45,829 INFO L225 Difference]: With dead ends: 340 [2019-12-07 13:54:45,829 INFO L226 Difference]: Without dead ends: 340 [2019-12-07 13:54:45,830 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-12-07 13:54:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 193. [2019-12-07 13:54:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-12-07 13:54:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2019-12-07 13:54:45,836 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 17 [2019-12-07 13:54:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:45,836 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2019-12-07 13:54:45,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:54:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2019-12-07 13:54:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 13:54:45,837 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:45,837 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:45,837 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:45,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:45,838 INFO L82 PathProgramCache]: Analyzing trace with hash -813972510, now seen corresponding path program 1 times [2019-12-07 13:54:45,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:45,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710642261] [2019-12-07 13:54:45,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:45,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710642261] [2019-12-07 13:54:45,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:45,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:45,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253918265] [2019-12-07 13:54:45,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:45,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:45,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:45,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:45,861 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 4 states. [2019-12-07 13:54:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:45,981 INFO L93 Difference]: Finished difference Result 194 states and 217 transitions. [2019-12-07 13:54:45,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:45,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 13:54:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:45,982 INFO L225 Difference]: With dead ends: 194 [2019-12-07 13:54:45,982 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 13:54:45,983 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:45,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 13:54:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2019-12-07 13:54:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 13:54:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-12-07 13:54:45,987 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-12-07 13:54:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:45,987 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-12-07 13:54:45,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-12-07 13:54:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:54:45,988 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:45,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:45,988 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:45,989 INFO L82 PathProgramCache]: Analyzing trace with hash -541898329, now seen corresponding path program 1 times [2019-12-07 13:54:45,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:45,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499292435] [2019-12-07 13:54:45,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:46,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499292435] [2019-12-07 13:54:46,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:46,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:46,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543591192] [2019-12-07 13:54:46,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:54:46,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:46,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:54:46,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:54:46,044 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 8 states. [2019-12-07 13:54:46,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:46,316 INFO L93 Difference]: Finished difference Result 286 states and 316 transitions. [2019-12-07 13:54:46,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 13:54:46,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-12-07 13:54:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:46,317 INFO L225 Difference]: With dead ends: 286 [2019-12-07 13:54:46,317 INFO L226 Difference]: Without dead ends: 286 [2019-12-07 13:54:46,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-12-07 13:54:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 191. [2019-12-07 13:54:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 13:54:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2019-12-07 13:54:46,321 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 19 [2019-12-07 13:54:46,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:46,321 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2019-12-07 13:54:46,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:54:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2019-12-07 13:54:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 13:54:46,322 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:46,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:54:46,322 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:46,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1773118060, now seen corresponding path program 1 times [2019-12-07 13:54:46,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:46,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271741570] [2019-12-07 13:54:46,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:46,359 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271741570] [2019-12-07 13:54:46,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:46,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:54:46,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978784506] [2019-12-07 13:54:46,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:54:46,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:46,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:54:46,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:46,360 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand 6 states. [2019-12-07 13:54:46,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:46,743 INFO L93 Difference]: Finished difference Result 287 states and 316 transitions. [2019-12-07 13:54:46,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:54:46,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-12-07 13:54:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:46,747 INFO L225 Difference]: With dead ends: 287 [2019-12-07 13:54:46,747 INFO L226 Difference]: Without dead ends: 287 [2019-12-07 13:54:46,748 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:54:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-12-07 13:54:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 194. [2019-12-07 13:54:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 13:54:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-12-07 13:54:46,757 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 21 [2019-12-07 13:54:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:46,758 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-12-07 13:54:46,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:54:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-12-07 13:54:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:54:46,760 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:46,761 INFO L410 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] [2019-12-07 13:54:46,761 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:46,762 INFO L82 PathProgramCache]: Analyzing trace with hash -478888527, now seen corresponding path program 1 times [2019-12-07 13:54:46,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:46,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84134722] [2019-12-07 13:54:46,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:46,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84134722] [2019-12-07 13:54:46,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:46,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:46,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108159053] [2019-12-07 13:54:46,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:54:46,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:46,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:54:46,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:54:46,803 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 5 states. [2019-12-07 13:54:46,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:46,979 INFO L93 Difference]: Finished difference Result 190 states and 211 transitions. [2019-12-07 13:54:46,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:54:46,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 13:54:46,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:46,981 INFO L225 Difference]: With dead ends: 190 [2019-12-07 13:54:46,981 INFO L226 Difference]: Without dead ends: 190 [2019-12-07 13:54:46,981 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:46,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-12-07 13:54:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2019-12-07 13:54:46,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-12-07 13:54:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 208 transitions. [2019-12-07 13:54:46,985 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 208 transitions. Word has length 23 [2019-12-07 13:54:46,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:46,985 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 208 transitions. [2019-12-07 13:54:46,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:54:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 208 transitions. [2019-12-07 13:54:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 13:54:46,986 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:46,986 INFO L410 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] [2019-12-07 13:54:46,986 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:46,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:46,987 INFO L82 PathProgramCache]: Analyzing trace with hash -478888526, now seen corresponding path program 1 times [2019-12-07 13:54:46,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:46,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243768469] [2019-12-07 13:54:46,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:47,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243768469] [2019-12-07 13:54:47,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:47,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:54:47,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266076249] [2019-12-07 13:54:47,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:54:47,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:47,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:54:47,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:54:47,042 INFO L87 Difference]: Start difference. First operand 185 states and 208 transitions. Second operand 7 states. [2019-12-07 13:54:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:47,306 INFO L93 Difference]: Finished difference Result 245 states and 262 transitions. [2019-12-07 13:54:47,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:54:47,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-12-07 13:54:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:47,307 INFO L225 Difference]: With dead ends: 245 [2019-12-07 13:54:47,307 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 13:54:47,308 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:54:47,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 13:54:47,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 208. [2019-12-07 13:54:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-12-07 13:54:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 246 transitions. [2019-12-07 13:54:47,311 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 246 transitions. Word has length 23 [2019-12-07 13:54:47,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:47,311 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 246 transitions. [2019-12-07 13:54:47,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:54:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 246 transitions. [2019-12-07 13:54:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:54:47,312 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:47,312 INFO L410 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] [2019-12-07 13:54:47,312 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:47,313 INFO L82 PathProgramCache]: Analyzing trace with hash -650325891, now seen corresponding path program 1 times [2019-12-07 13:54:47,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:47,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831243467] [2019-12-07 13:54:47,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:47,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831243467] [2019-12-07 13:54:47,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:47,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:54:47,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658150728] [2019-12-07 13:54:47,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:54:47,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:47,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:54:47,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:54:47,338 INFO L87 Difference]: Start difference. First operand 208 states and 246 transitions. Second operand 5 states. [2019-12-07 13:54:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:47,499 INFO L93 Difference]: Finished difference Result 240 states and 256 transitions. [2019-12-07 13:54:47,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:54:47,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 13:54:47,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:47,500 INFO L225 Difference]: With dead ends: 240 [2019-12-07 13:54:47,500 INFO L226 Difference]: Without dead ends: 240 [2019-12-07 13:54:47,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:47,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-12-07 13:54:47,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2019-12-07 13:54:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-12-07 13:54:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 243 transitions. [2019-12-07 13:54:47,504 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 243 transitions. Word has length 25 [2019-12-07 13:54:47,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:47,504 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 243 transitions. [2019-12-07 13:54:47,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:54:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 243 transitions. [2019-12-07 13:54:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:54:47,505 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:47,505 INFO L410 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] [2019-12-07 13:54:47,505 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:47,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315090, now seen corresponding path program 1 times [2019-12-07 13:54:47,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:47,506 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483390199] [2019-12-07 13:54:47,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:47,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483390199] [2019-12-07 13:54:47,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:47,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:54:47,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338790218] [2019-12-07 13:54:47,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:54:47,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:47,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:54:47,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:54:47,549 INFO L87 Difference]: Start difference. First operand 206 states and 243 transitions. Second operand 7 states. [2019-12-07 13:54:47,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:47,873 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2019-12-07 13:54:47,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:54:47,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-12-07 13:54:47,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:47,874 INFO L225 Difference]: With dead ends: 302 [2019-12-07 13:54:47,874 INFO L226 Difference]: Without dead ends: 302 [2019-12-07 13:54:47,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:54:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-12-07 13:54:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 205. [2019-12-07 13:54:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-12-07 13:54:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 242 transitions. [2019-12-07 13:54:47,879 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 242 transitions. Word has length 26 [2019-12-07 13:54:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:47,879 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 242 transitions. [2019-12-07 13:54:47,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:54:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 242 transitions. [2019-12-07 13:54:47,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:54:47,880 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:47,880 INFO L410 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] [2019-12-07 13:54:47,880 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315091, now seen corresponding path program 1 times [2019-12-07 13:54:47,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:47,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810494015] [2019-12-07 13:54:47,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:47,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810494015] [2019-12-07 13:54:47,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:47,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:54:47,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081838180] [2019-12-07 13:54:47,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:54:47,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:47,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:54:47,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:54:47,934 INFO L87 Difference]: Start difference. First operand 205 states and 242 transitions. Second operand 7 states. [2019-12-07 13:54:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:48,298 INFO L93 Difference]: Finished difference Result 322 states and 390 transitions. [2019-12-07 13:54:48,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:54:48,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-12-07 13:54:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:48,300 INFO L225 Difference]: With dead ends: 322 [2019-12-07 13:54:48,300 INFO L226 Difference]: Without dead ends: 322 [2019-12-07 13:54:48,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:54:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-12-07 13:54:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 192. [2019-12-07 13:54:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 13:54:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2019-12-07 13:54:48,304 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 26 [2019-12-07 13:54:48,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:48,304 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2019-12-07 13:54:48,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:54:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2019-12-07 13:54:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 13:54:48,304 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:48,304 INFO L410 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] [2019-12-07 13:54:48,305 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash -624581038, now seen corresponding path program 1 times [2019-12-07 13:54:48,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:48,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198528600] [2019-12-07 13:54:48,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:48,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198528600] [2019-12-07 13:54:48,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:48,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:54:48,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295946999] [2019-12-07 13:54:48,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:54:48,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:48,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:54:48,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:54:48,348 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states. [2019-12-07 13:54:48,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:48,620 INFO L93 Difference]: Finished difference Result 318 states and 386 transitions. [2019-12-07 13:54:48,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:54:48,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-12-07 13:54:48,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:48,621 INFO L225 Difference]: With dead ends: 318 [2019-12-07 13:54:48,621 INFO L226 Difference]: Without dead ends: 318 [2019-12-07 13:54:48,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:54:48,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-12-07 13:54:48,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 188. [2019-12-07 13:54:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-07 13:54:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 224 transitions. [2019-12-07 13:54:48,624 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 224 transitions. Word has length 28 [2019-12-07 13:54:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:48,624 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 224 transitions. [2019-12-07 13:54:48,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:54:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 224 transitions. [2019-12-07 13:54:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:54:48,625 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:48,625 INFO L410 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] [2019-12-07 13:54:48,625 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:48,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:48,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2137713641, now seen corresponding path program 1 times [2019-12-07 13:54:48,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:48,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783129251] [2019-12-07 13:54:48,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:48,648 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783129251] [2019-12-07 13:54:48,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:48,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:48,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272486266] [2019-12-07 13:54:48,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:48,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:48,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:48,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:48,649 INFO L87 Difference]: Start difference. First operand 188 states and 224 transitions. Second operand 4 states. [2019-12-07 13:54:48,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:48,757 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2019-12-07 13:54:48,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:48,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-07 13:54:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:48,759 INFO L225 Difference]: With dead ends: 261 [2019-12-07 13:54:48,759 INFO L226 Difference]: Without dead ends: 261 [2019-12-07 13:54:48,759 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-12-07 13:54:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-12-07 13:54:48,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-12-07 13:54:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-12-07 13:54:48,762 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 31 [2019-12-07 13:54:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:48,762 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-12-07 13:54:48,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-12-07 13:54:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 13:54:48,762 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:48,762 INFO L410 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] [2019-12-07 13:54:48,763 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1844592136, now seen corresponding path program 1 times [2019-12-07 13:54:48,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:48,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266002108] [2019-12-07 13:54:48,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:48,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266002108] [2019-12-07 13:54:48,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:48,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:48,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399608681] [2019-12-07 13:54:48,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:48,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:48,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:48,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:48,787 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 4 states. [2019-12-07 13:54:48,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:48,899 INFO L93 Difference]: Finished difference Result 192 states and 229 transitions. [2019-12-07 13:54:48,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:48,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 13:54:48,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:48,900 INFO L225 Difference]: With dead ends: 192 [2019-12-07 13:54:48,900 INFO L226 Difference]: Without dead ends: 192 [2019-12-07 13:54:48,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:48,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-12-07 13:54:48,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-12-07 13:54:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 13:54:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 229 transitions. [2019-12-07 13:54:48,903 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 229 transitions. Word has length 32 [2019-12-07 13:54:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:48,903 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 229 transitions. [2019-12-07 13:54:48,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 229 transitions. [2019-12-07 13:54:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 13:54:48,903 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:48,903 INFO L410 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] [2019-12-07 13:54:48,904 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:48,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1347785694, now seen corresponding path program 1 times [2019-12-07 13:54:48,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:48,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551995703] [2019-12-07 13:54:48,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:48,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551995703] [2019-12-07 13:54:48,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:48,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-12-07 13:54:48,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720804145] [2019-12-07 13:54:48,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:54:48,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:48,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:54:48,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:48,972 INFO L87 Difference]: Start difference. First operand 192 states and 229 transitions. Second operand 9 states. [2019-12-07 13:54:49,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:49,308 INFO L93 Difference]: Finished difference Result 300 states and 346 transitions. [2019-12-07 13:54:49,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:54:49,309 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-12-07 13:54:49,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:49,310 INFO L225 Difference]: With dead ends: 300 [2019-12-07 13:54:49,310 INFO L226 Difference]: Without dead ends: 300 [2019-12-07 13:54:49,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-12-07 13:54:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-12-07 13:54:49,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 204. [2019-12-07 13:54:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 13:54:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 242 transitions. [2019-12-07 13:54:49,313 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 242 transitions. Word has length 33 [2019-12-07 13:54:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:49,313 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 242 transitions. [2019-12-07 13:54:49,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:54:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2019-12-07 13:54:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 13:54:49,314 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:49,314 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 13:54:49,314 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:49,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:49,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1096505391, now seen corresponding path program 1 times [2019-12-07 13:54:49,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:49,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255622018] [2019-12-07 13:54:49,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:49,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255622018] [2019-12-07 13:54:49,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724821228] [2019-12-07 13:54:49,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:54:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:49,433 INFO L264 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-07 13:54:49,437 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:54:49,487 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 13:54:49,487 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,494 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,496 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 13:54:49,496 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,500 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,500 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,501 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-12-07 13:54:49,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:54:49,523 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-12-07 13:54:49,524 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,537 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:54:49,541 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-12-07 13:54:49,542 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,551 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,552 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,552 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2019-12-07 13:54:49,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:54:49,597 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-12-07 13:54:49,597 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,604 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:54:49,607 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,607 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-12-07 13:54:49,607 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,612 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:54:49,613 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:54:49,613 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:7 [2019-12-07 13:54:49,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:49,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:54:49,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2019-12-07 13:54:49,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72690974] [2019-12-07 13:54:49,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:54:49,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:49,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:54:49,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:54:49,622 INFO L87 Difference]: Start difference. First operand 204 states and 242 transitions. Second operand 11 states. [2019-12-07 13:54:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:50,103 INFO L93 Difference]: Finished difference Result 350 states and 387 transitions. [2019-12-07 13:54:50,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 13:54:50,103 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2019-12-07 13:54:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:50,104 INFO L225 Difference]: With dead ends: 350 [2019-12-07 13:54:50,104 INFO L226 Difference]: Without dead ends: 350 [2019-12-07 13:54:50,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2019-12-07 13:54:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-07 13:54:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 235. [2019-12-07 13:54:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-12-07 13:54:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2019-12-07 13:54:50,109 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 35 [2019-12-07 13:54:50,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:50,110 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2019-12-07 13:54:50,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:54:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2019-12-07 13:54:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 13:54:50,110 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:50,110 INFO L410 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] [2019-12-07 13:54:50,310 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:54:50,311 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:50,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:50,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741558, now seen corresponding path program 1 times [2019-12-07 13:54:50,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:50,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017969898] [2019-12-07 13:54:50,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:50,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017969898] [2019-12-07 13:54:50,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:50,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:54:50,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028370616] [2019-12-07 13:54:50,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:54:50,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:50,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:54:50,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:50,342 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand 6 states. [2019-12-07 13:54:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:50,622 INFO L93 Difference]: Finished difference Result 357 states and 435 transitions. [2019-12-07 13:54:50,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:54:50,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 13:54:50,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:50,624 INFO L225 Difference]: With dead ends: 357 [2019-12-07 13:54:50,624 INFO L226 Difference]: Without dead ends: 357 [2019-12-07 13:54:50,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:50,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-12-07 13:54:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 234. [2019-12-07 13:54:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-12-07 13:54:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 288 transitions. [2019-12-07 13:54:50,628 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 288 transitions. Word has length 35 [2019-12-07 13:54:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:50,628 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 288 transitions. [2019-12-07 13:54:50,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:54:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 288 transitions. [2019-12-07 13:54:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 13:54:50,628 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:50,628 INFO L410 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] [2019-12-07 13:54:50,628 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:50,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:50,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741559, now seen corresponding path program 1 times [2019-12-07 13:54:50,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:50,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970691135] [2019-12-07 13:54:50,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:50,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970691135] [2019-12-07 13:54:50,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:50,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:54:50,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863464401] [2019-12-07 13:54:50,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:54:50,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:50,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:54:50,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:54:50,666 INFO L87 Difference]: Start difference. First operand 234 states and 288 transitions. Second operand 6 states. [2019-12-07 13:54:50,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:50,972 INFO L93 Difference]: Finished difference Result 384 states and 473 transitions. [2019-12-07 13:54:50,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:54:50,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-12-07 13:54:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:50,974 INFO L225 Difference]: With dead ends: 384 [2019-12-07 13:54:50,974 INFO L226 Difference]: Without dead ends: 384 [2019-12-07 13:54:50,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:50,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-12-07 13:54:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 233. [2019-12-07 13:54:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-12-07 13:54:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 287 transitions. [2019-12-07 13:54:50,978 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 287 transitions. Word has length 35 [2019-12-07 13:54:50,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:50,978 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 287 transitions. [2019-12-07 13:54:50,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:54:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 287 transitions. [2019-12-07 13:54:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 13:54:50,979 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:50,979 INFO L410 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] [2019-12-07 13:54:50,979 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:50,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:50,979 INFO L82 PathProgramCache]: Analyzing trace with hash -614093230, now seen corresponding path program 1 times [2019-12-07 13:54:50,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:50,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561333632] [2019-12-07 13:54:50,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:51,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561333632] [2019-12-07 13:54:51,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:51,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 13:54:51,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82369050] [2019-12-07 13:54:51,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 13:54:51,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:51,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 13:54:51,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:54:51,074 INFO L87 Difference]: Start difference. First operand 233 states and 287 transitions. Second operand 12 states. [2019-12-07 13:54:51,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:51,855 INFO L93 Difference]: Finished difference Result 468 states and 533 transitions. [2019-12-07 13:54:51,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 13:54:51,856 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2019-12-07 13:54:51,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:51,858 INFO L225 Difference]: With dead ends: 468 [2019-12-07 13:54:51,859 INFO L226 Difference]: Without dead ends: 468 [2019-12-07 13:54:51,859 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-12-07 13:54:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-12-07 13:54:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 234. [2019-12-07 13:54:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-12-07 13:54:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2019-12-07 13:54:51,864 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 37 [2019-12-07 13:54:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:51,864 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2019-12-07 13:54:51,864 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 13:54:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2019-12-07 13:54:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 13:54:51,864 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:51,865 INFO L410 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] [2019-12-07 13:54:51,865 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:51,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:51,865 INFO L82 PathProgramCache]: Analyzing trace with hash -614093229, now seen corresponding path program 1 times [2019-12-07 13:54:51,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:51,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868156152] [2019-12-07 13:54:51,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:52,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868156152] [2019-12-07 13:54:52,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:52,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-07 13:54:52,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785668529] [2019-12-07 13:54:52,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 13:54:52,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:52,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 13:54:52,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:54:52,007 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand 13 states. [2019-12-07 13:54:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:53,767 INFO L93 Difference]: Finished difference Result 526 states and 592 transitions. [2019-12-07 13:54:53,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-07 13:54:53,767 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2019-12-07 13:54:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:53,769 INFO L225 Difference]: With dead ends: 526 [2019-12-07 13:54:53,769 INFO L226 Difference]: Without dead ends: 526 [2019-12-07 13:54:53,769 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-12-07 13:54:53,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-12-07 13:54:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 240. [2019-12-07 13:54:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-12-07 13:54:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2019-12-07 13:54:53,773 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 37 [2019-12-07 13:54:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:53,773 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2019-12-07 13:54:53,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 13:54:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2019-12-07 13:54:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 13:54:53,774 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:53,774 INFO L410 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] [2019-12-07 13:54:53,774 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:53,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:53,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305643, now seen corresponding path program 1 times [2019-12-07 13:54:53,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:53,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550755485] [2019-12-07 13:54:53,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:53,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:53,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550755485] [2019-12-07 13:54:53,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:53,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:53,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688161733] [2019-12-07 13:54:53,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:54:53,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:53,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:54:53,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:53,831 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand 9 states. [2019-12-07 13:54:54,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:54,162 INFO L93 Difference]: Finished difference Result 255 states and 309 transitions. [2019-12-07 13:54:54,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:54:54,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-12-07 13:54:54,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:54,164 INFO L225 Difference]: With dead ends: 255 [2019-12-07 13:54:54,164 INFO L226 Difference]: Without dead ends: 255 [2019-12-07 13:54:54,164 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-12-07 13:54:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 239. [2019-12-07 13:54:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-12-07 13:54:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-12-07 13:54:54,167 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-12-07 13:54:54,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:54,167 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-12-07 13:54:54,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:54:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-12-07 13:54:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 13:54:54,168 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:54,168 INFO L410 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] [2019-12-07 13:54:54,168 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305644, now seen corresponding path program 1 times [2019-12-07 13:54:54,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:54,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953770276] [2019-12-07 13:54:54,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:54,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953770276] [2019-12-07 13:54:54,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:54,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:54,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255086944] [2019-12-07 13:54:54,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 13:54:54,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:54,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 13:54:54,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:54:54,238 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 9 states. [2019-12-07 13:54:54,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:54,685 INFO L93 Difference]: Finished difference Result 254 states and 308 transitions. [2019-12-07 13:54:54,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:54:54,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-12-07 13:54:54,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:54,687 INFO L225 Difference]: With dead ends: 254 [2019-12-07 13:54:54,687 INFO L226 Difference]: Without dead ends: 254 [2019-12-07 13:54:54,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:54,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-07 13:54:54,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2019-12-07 13:54:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-12-07 13:54:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 290 transitions. [2019-12-07 13:54:54,693 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 290 transitions. Word has length 38 [2019-12-07 13:54:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:54,694 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 290 transitions. [2019-12-07 13:54:54,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 13:54:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 290 transitions. [2019-12-07 13:54:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 13:54:54,695 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:54,695 INFO L410 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] [2019-12-07 13:54:54,695 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:54,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:54,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1430832249, now seen corresponding path program 1 times [2019-12-07 13:54:54,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:54,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328786347] [2019-12-07 13:54:54,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:54,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328786347] [2019-12-07 13:54:54,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:54,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:54:54,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861106851] [2019-12-07 13:54:54,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:54:54,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:54,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:54:54,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:54,727 INFO L87 Difference]: Start difference. First operand 238 states and 290 transitions. Second operand 4 states. [2019-12-07 13:54:54,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:54,829 INFO L93 Difference]: Finished difference Result 239 states and 291 transitions. [2019-12-07 13:54:54,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:54:54,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-12-07 13:54:54,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:54,831 INFO L225 Difference]: With dead ends: 239 [2019-12-07 13:54:54,831 INFO L226 Difference]: Without dead ends: 239 [2019-12-07 13:54:54,831 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:54:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-12-07 13:54:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2019-12-07 13:54:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-12-07 13:54:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-12-07 13:54:54,834 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-12-07 13:54:54,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:54,834 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-12-07 13:54:54,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:54:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-12-07 13:54:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 13:54:54,834 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:54,834 INFO L410 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] [2019-12-07 13:54:54,835 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:54,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1733066830, now seen corresponding path program 1 times [2019-12-07 13:54:54,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:54,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532087141] [2019-12-07 13:54:54,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:55,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532087141] [2019-12-07 13:54:55,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:55,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-12-07 13:54:55,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582855222] [2019-12-07 13:54:55,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 13:54:55,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:55,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 13:54:55,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 13:54:55,077 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 15 states. [2019-12-07 13:54:56,030 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-07 13:54:57,097 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-07 13:54:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:57,487 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2019-12-07 13:54:57,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-12-07 13:54:57,489 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2019-12-07 13:54:57,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:57,496 INFO L225 Difference]: With dead ends: 533 [2019-12-07 13:54:57,496 INFO L226 Difference]: Without dead ends: 533 [2019-12-07 13:54:57,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-12-07 13:54:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-12-07 13:54:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 239. [2019-12-07 13:54:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-12-07 13:54:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2019-12-07 13:54:57,513 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 39 [2019-12-07 13:54:57,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:57,513 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2019-12-07 13:54:57,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 13:54:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2019-12-07 13:54:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 13:54:57,515 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:57,515 INFO L410 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] [2019-12-07 13:54:57,515 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:57,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:57,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1579106443, now seen corresponding path program 1 times [2019-12-07 13:54:57,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:57,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163745297] [2019-12-07 13:54:57,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:54:57,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163745297] [2019-12-07 13:54:57,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:57,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:57,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775923023] [2019-12-07 13:54:57,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:54:57,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:57,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:54:57,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:54:57,587 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand 8 states. [2019-12-07 13:54:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:57,808 INFO L93 Difference]: Finished difference Result 255 states and 306 transitions. [2019-12-07 13:54:57,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 13:54:57,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-12-07 13:54:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:57,810 INFO L225 Difference]: With dead ends: 255 [2019-12-07 13:54:57,810 INFO L226 Difference]: Without dead ends: 255 [2019-12-07 13:54:57,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:54:57,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-12-07 13:54:57,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2019-12-07 13:54:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-12-07 13:54:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 299 transitions. [2019-12-07 13:54:57,813 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 299 transitions. Word has length 40 [2019-12-07 13:54:57,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:57,813 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 299 transitions. [2019-12-07 13:54:57,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:54:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 299 transitions. [2019-12-07 13:54:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 13:54:57,814 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:57,814 INFO L410 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] [2019-12-07 13:54:57,814 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:57,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:57,814 INFO L82 PathProgramCache]: Analyzing trace with hash 641896126, now seen corresponding path program 1 times [2019-12-07 13:54:57,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:57,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101906185] [2019-12-07 13:54:57,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:57,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101906185] [2019-12-07 13:54:57,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:57,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:54:57,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266090928] [2019-12-07 13:54:57,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:54:57,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:57,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:54:57,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:54:57,870 INFO L87 Difference]: Start difference. First operand 248 states and 299 transitions. Second operand 8 states. [2019-12-07 13:54:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:54:58,092 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2019-12-07 13:54:58,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 13:54:58,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-12-07 13:54:58,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:54:58,093 INFO L225 Difference]: With dead ends: 257 [2019-12-07 13:54:58,093 INFO L226 Difference]: Without dead ends: 257 [2019-12-07 13:54:58,093 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 13:54:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-12-07 13:54:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2019-12-07 13:54:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-12-07 13:54:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2019-12-07 13:54:58,096 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 40 [2019-12-07 13:54:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:54:58,096 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2019-12-07 13:54:58,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:54:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2019-12-07 13:54:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 13:54:58,097 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:54:58,097 INFO L410 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] [2019-12-07 13:54:58,097 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:54:58,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:54:58,097 INFO L82 PathProgramCache]: Analyzing trace with hash 12117480, now seen corresponding path program 1 times [2019-12-07 13:54:58,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:54:58,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444795020] [2019-12-07 13:54:58,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:54:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:54:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:54:58,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444795020] [2019-12-07 13:54:58,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:54:58,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-12-07 13:54:58,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270278282] [2019-12-07 13:54:58,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 13:54:58,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:54:58,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 13:54:58,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-12-07 13:54:58,313 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 16 states. [2019-12-07 13:55:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:01,072 INFO L93 Difference]: Finished difference Result 525 states and 591 transitions. [2019-12-07 13:55:01,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-07 13:55:01,073 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2019-12-07 13:55:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:01,081 INFO L225 Difference]: With dead ends: 525 [2019-12-07 13:55:01,081 INFO L226 Difference]: Without dead ends: 525 [2019-12-07 13:55:01,083 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2019-12-07 13:55:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2019-12-07 13:55:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 245. [2019-12-07 13:55:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-12-07 13:55:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 295 transitions. [2019-12-07 13:55:01,095 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 295 transitions. Word has length 42 [2019-12-07 13:55:01,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:01,096 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 295 transitions. [2019-12-07 13:55:01,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 13:55:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 295 transitions. [2019-12-07 13:55:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 13:55:01,097 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:01,098 INFO L410 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] [2019-12-07 13:55:01,098 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:01,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1334961542, now seen corresponding path program 1 times [2019-12-07 13:55:01,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:01,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212338998] [2019-12-07 13:55:01,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:55:01,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212338998] [2019-12-07 13:55:01,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:55:01,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:55:01,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751307587] [2019-12-07 13:55:01,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:55:01,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:55:01,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:55:01,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:55:01,130 INFO L87 Difference]: Start difference. First operand 245 states and 295 transitions. Second operand 4 states. [2019-12-07 13:55:01,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:01,258 INFO L93 Difference]: Finished difference Result 258 states and 299 transitions. [2019-12-07 13:55:01,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:55:01,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-12-07 13:55:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:01,260 INFO L225 Difference]: With dead ends: 258 [2019-12-07 13:55:01,260 INFO L226 Difference]: Without dead ends: 258 [2019-12-07 13:55:01,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:55:01,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-12-07 13:55:01,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2019-12-07 13:55:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-12-07 13:55:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 296 transitions. [2019-12-07 13:55:01,263 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 296 transitions. Word has length 42 [2019-12-07 13:55:01,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:01,263 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 296 transitions. [2019-12-07 13:55:01,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:55:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 296 transitions. [2019-12-07 13:55:01,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-07 13:55:01,264 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:01,264 INFO L410 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, 1] [2019-12-07 13:55:01,265 INFO L410 AbstractCegarLoop]: === Iteration 33 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:01,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:01,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1969732225, now seen corresponding path program 1 times [2019-12-07 13:55:01,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:01,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025702803] [2019-12-07 13:55:01,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:55:01,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025702803] [2019-12-07 13:55:01,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:55:01,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:55:01,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328310881] [2019-12-07 13:55:01,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:55:01,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:55:01,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:55:01,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:55:01,287 INFO L87 Difference]: Start difference. First operand 246 states and 296 transitions. Second operand 4 states. [2019-12-07 13:55:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:01,402 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2019-12-07 13:55:01,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:55:01,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-07 13:55:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:01,403 INFO L225 Difference]: With dead ends: 247 [2019-12-07 13:55:01,403 INFO L226 Difference]: Without dead ends: 247 [2019-12-07 13:55:01,403 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:55:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-12-07 13:55:01,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2019-12-07 13:55:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-12-07 13:55:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 293 transitions. [2019-12-07 13:55:01,407 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 293 transitions. Word has length 44 [2019-12-07 13:55:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:01,407 INFO L462 AbstractCegarLoop]: Abstraction has 244 states and 293 transitions. [2019-12-07 13:55:01,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:55:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 293 transitions. [2019-12-07 13:55:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 13:55:01,407 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:01,407 INFO L410 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, 1, 1] [2019-12-07 13:55:01,407 INFO L410 AbstractCegarLoop]: === Iteration 34 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:01,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:01,408 INFO L82 PathProgramCache]: Analyzing trace with hash 932161271, now seen corresponding path program 1 times [2019-12-07 13:55:01,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:01,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131439871] [2019-12-07 13:55:01,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:55:01,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131439871] [2019-12-07 13:55:01,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:55:01,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-12-07 13:55:01,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885685903] [2019-12-07 13:55:01,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:55:01,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:55:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:55:01,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-12-07 13:55:01,498 INFO L87 Difference]: Start difference. First operand 244 states and 293 transitions. Second operand 11 states. [2019-12-07 13:55:02,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:02,062 INFO L93 Difference]: Finished difference Result 432 states and 495 transitions. [2019-12-07 13:55:02,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 13:55:02,063 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-12-07 13:55:02,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:02,064 INFO L225 Difference]: With dead ends: 432 [2019-12-07 13:55:02,064 INFO L226 Difference]: Without dead ends: 432 [2019-12-07 13:55:02,064 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2019-12-07 13:55:02,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-12-07 13:55:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 251. [2019-12-07 13:55:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-12-07 13:55:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 302 transitions. [2019-12-07 13:55:02,068 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 302 transitions. Word has length 45 [2019-12-07 13:55:02,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:02,068 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 302 transitions. [2019-12-07 13:55:02,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:55:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 302 transitions. [2019-12-07 13:55:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 13:55:02,068 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:02,068 INFO L410 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, 1, 1] [2019-12-07 13:55:02,068 INFO L410 AbstractCegarLoop]: === Iteration 35 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:02,069 INFO L82 PathProgramCache]: Analyzing trace with hash 932161272, now seen corresponding path program 1 times [2019-12-07 13:55:02,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:02,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326516361] [2019-12-07 13:55:02,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 13:55:02,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326516361] [2019-12-07 13:55:02,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:55:02,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 13:55:02,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877508292] [2019-12-07 13:55:02,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 13:55:02,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:55:02,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 13:55:02,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:55:02,178 INFO L87 Difference]: Start difference. First operand 251 states and 302 transitions. Second operand 12 states. [2019-12-07 13:55:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:03,718 INFO L93 Difference]: Finished difference Result 434 states and 497 transitions. [2019-12-07 13:55:03,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 13:55:03,718 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2019-12-07 13:55:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:03,720 INFO L225 Difference]: With dead ends: 434 [2019-12-07 13:55:03,720 INFO L226 Difference]: Without dead ends: 434 [2019-12-07 13:55:03,720 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2019-12-07 13:55:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-12-07 13:55:03,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 257. [2019-12-07 13:55:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-12-07 13:55:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 309 transitions. [2019-12-07 13:55:03,724 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 309 transitions. Word has length 45 [2019-12-07 13:55:03,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:03,724 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 309 transitions. [2019-12-07 13:55:03,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 13:55:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2019-12-07 13:55:03,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 13:55:03,725 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:03,725 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 13:55:03,725 INFO L410 AbstractCegarLoop]: === Iteration 36 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:03,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1558321305, now seen corresponding path program 1 times [2019-12-07 13:55:03,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:03,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031122336] [2019-12-07 13:55:03,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:55:03,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031122336] [2019-12-07 13:55:03,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450034401] [2019-12-07 13:55:03,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:55:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:03,881 INFO L264 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjunts are in the unsatisfiable core [2019-12-07 13:55:03,883 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:55:03,894 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-12-07 13:55:03,894 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 13:55:03,899 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:03,901 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-12-07 13:55:03,901 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 13:55:03,905 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:03,905 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 13:55:03,905 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2019-12-07 13:55:04,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:55:04,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:55:04,045 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:04,045 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2019-12-07 13:55:04,046 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-12-07 13:55:04,055 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:04,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:55:04,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 13:55:04,061 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:04,061 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 18 [2019-12-07 13:55:04,061 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-12-07 13:55:04,069 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 13:55:04,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:55:04,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:55:04,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:55:04,073 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-07 13:55:04,073 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:37 [2019-12-07 13:55:04,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:55:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:55:04,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:55:04,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2019-12-07 13:55:04,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87119534] [2019-12-07 13:55:04,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-07 13:55:04,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:55:04,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-07 13:55:04,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-12-07 13:55:04,130 INFO L87 Difference]: Start difference. First operand 257 states and 309 transitions. Second operand 18 states. [2019-12-07 13:55:04,706 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-12-07 13:55:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:55:06,773 INFO L93 Difference]: Finished difference Result 595 states and 646 transitions. [2019-12-07 13:55:06,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-12-07 13:55:06,773 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-12-07 13:55:06,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:55:06,775 INFO L225 Difference]: With dead ends: 595 [2019-12-07 13:55:06,775 INFO L226 Difference]: Without dead ends: 595 [2019-12-07 13:55:06,776 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=240, Invalid=1242, Unknown=0, NotChecked=0, Total=1482 [2019-12-07 13:55:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-12-07 13:55:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 281. [2019-12-07 13:55:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-12-07 13:55:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 343 transitions. [2019-12-07 13:55:06,780 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 343 transitions. Word has length 45 [2019-12-07 13:55:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:55:06,780 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 343 transitions. [2019-12-07 13:55:06,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-07 13:55:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 343 transitions. [2019-12-07 13:55:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-07 13:55:06,780 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:55:06,780 INFO L410 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, 1, 1, 1] [2019-12-07 13:55:06,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:55:06,982 INFO L410 AbstractCegarLoop]: === Iteration 37 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-12-07 13:55:06,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:06,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1807245200, now seen corresponding path program 1 times [2019-12-07 13:55:06,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:06,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744215325] [2019-12-07 13:55:06,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:07,050 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:55:07,050 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:55:07,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:55:07 BoogieIcfgContainer [2019-12-07 13:55:07,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:55:07,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:55:07,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:55:07,078 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:55:07,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:54:42" (3/4) ... [2019-12-07 13:55:07,079 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:55:07,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18dd90a3-e703-4f14-97f0-abd1eb5de11b/bin/uautomizer/witness.graphml [2019-12-07 13:55:07,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:55:07,113 INFO L168 Benchmark]: Toolchain (without parser) took 25814.75 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 935.3 MB in the beginning and 856.6 MB in the end (delta: 78.7 MB). Peak memory consumption was 373.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,114 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:55:07,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,114 INFO L168 Benchmark]: Boogie Preprocessor took 49.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,114 INFO L168 Benchmark]: RCFGBuilder took 464.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,115 INFO L168 Benchmark]: TraceAbstraction took 24919.23 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 859.6 MB in the end (delta: 159.3 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,115 INFO L168 Benchmark]: Witness Printer took 35.17 ms. Allocated memory is still 1.3 GB. Free memory was 859.6 MB in the beginning and 856.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:07,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24919.23 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 859.6 MB in the end (delta: 159.3 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.17 ms. Allocated memory is still 1.3 GB. Free memory was 859.6 MB in the beginning and 856.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L991] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L992] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(__VERIFIER_nondet_int()) [L993] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L995] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L998] COND FALSE !(__VERIFIER_nondet_int()) [L1008] end = ((void*)0) [L1009] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1012] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1014] COND TRUE ((void*)0) != end [L1016] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] SLL* inner = end->inner; [L1018] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] COND TRUE len == 0 [L1021] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1024] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND FALSE !(!(((void*)0) == inner->inner)) [L1026] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1026] COND FALSE !(!(((void*)0) == inner->next)) [L1027] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] inner = inner->inner [L1028] COND TRUE len == 1 VAL [end={-1:0}, inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] inner->inner - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 197 locations, 80 error locations. Result: UNSAFE, OverallTime: 24.8s, OverallIterations: 37, TraceHistogramMax: 2, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5741 SDtfs, 10241 SDslu, 17689 SDs, 0 SdLazy, 19785 SolverSat, 620 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 36 MinimizatonAttempts, 3663 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1190 NumberOfCodeBlocks, 1190 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1106 ConstructedInterpolants, 7 QuantifiedInterpolants, 365018 SizeOfPredicates, 21 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 38 InterpolantComputations, 34 PerfectInterpolantSequences, 9/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...