./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0e755b2dd5e51a3c2c6bd6c8ef06f55d3c3a2554217c62da40af9cd808ace64 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:20:28,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:28,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:28,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:28,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:28,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:28,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:28,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:28,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:28,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:28,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:28,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:28,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:28,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:28,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:28,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:28,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:28,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:28,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:28,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:28,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:28,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:28,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:28,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:28,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:28,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:28,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:28,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:28,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:28,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:28,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:28,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:28,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:28,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:28,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:28,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:28,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:28,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:28,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:28,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:28,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:28,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:20:28,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:28,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:28,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:28,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:28,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:28,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:28,814 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:28,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:28,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:20:28,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:20:28,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:20:28,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:28,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:20:28,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:20:28,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:20:28,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:20:28,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:28,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:28,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:20:28,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:28,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:28,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:20:28,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:28,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:28,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:20:28,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:20:28,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:20:28,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:20:28,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:20:28,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:20:28,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:20:28,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:28,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0e755b2dd5e51a3c2c6bd6c8ef06f55d3c3a2554217c62da40af9cd808ace64 [2021-10-28 23:20:29,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:29,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:29,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:29,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:29,187 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:29,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem11_label13.c [2021-10-28 23:20:29,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/data/a3bd635b5/f0a4a1c334f14dac8c4794fa03436e4a/FLAGad46475fe [2021-10-28 23:20:29,944 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:29,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/sv-benchmarks/c/eca-rers2012/Problem11_label13.c [2021-10-28 23:20:29,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/data/a3bd635b5/f0a4a1c334f14dac8c4794fa03436e4a/FLAGad46475fe [2021-10-28 23:20:30,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/data/a3bd635b5/f0a4a1c334f14dac8c4794fa03436e4a [2021-10-28 23:20:30,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:30,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:30,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:30,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:30,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:30,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:30" (1/1) ... [2021-10-28 23:20:30,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c91db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:30, skipping insertion in model container [2021-10-28 23:20:30,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:30" (1/1) ... [2021-10-28 23:20:30,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:30,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:30,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/sv-benchmarks/c/eca-rers2012/Problem11_label13.c[4853,4866] [2021-10-28 23:20:30,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:30,925 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:20:30,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/sv-benchmarks/c/eca-rers2012/Problem11_label13.c[4853,4866] [2021-10-28 23:20:31,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:31,150 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:20:31,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31 WrapperNode [2021-10-28 23:20:31,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:31,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:31,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:20:31,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:20:31,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:31,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:20:31,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:20:31,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:20:31,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:20:31,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:20:31,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:20:31,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:20:31,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (1/1) ... [2021-10-28 23:20:31,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:31,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:31,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:31,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:20:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:20:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:20:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:20:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:20:33,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:20:33,506 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:20:33,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:33 BoogieIcfgContainer [2021-10-28 23:20:33,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:20:33,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:20:33,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:20:33,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:20:33,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:20:30" (1/3) ... [2021-10-28 23:20:33,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d485fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:33, skipping insertion in model container [2021-10-28 23:20:33,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:31" (2/3) ... [2021-10-28 23:20:33,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d485fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:33, skipping insertion in model container [2021-10-28 23:20:33,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:33" (3/3) ... [2021-10-28 23:20:33,523 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label13.c [2021-10-28 23:20:33,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:20:33,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:20:33,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:20:33,618 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:20:33,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:20:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:20:33,665 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:33,666 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:33,667 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:33,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:33,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2113343065, now seen corresponding path program 1 times [2021-10-28 23:20:33,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:33,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330185606] [2021-10-28 23:20:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:33,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:34,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:34,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330185606] [2021-10-28 23:20:34,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330185606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:34,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:34,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:34,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100986576] [2021-10-28 23:20:34,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:34,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:34,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:34,042 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:35,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:35,385 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-10-28 23:20:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:35,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:20:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:35,405 INFO L225 Difference]: With dead ends: 769 [2021-10-28 23:20:35,405 INFO L226 Difference]: Without dead ends: 422 [2021-10-28 23:20:35,410 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-10-28 23:20:35,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-10-28 23:20:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-10-28 23:20:35,529 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 33 [2021-10-28 23:20:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:35,530 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-10-28 23:20:35,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-10-28 23:20:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 23:20:35,539 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:35,540 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:35,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:20:35,540 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash 242619611, now seen corresponding path program 1 times [2021-10-28 23:20:35,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:35,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39358610] [2021-10-28 23:20:35,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:35,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:35,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:35,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39358610] [2021-10-28 23:20:35,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39358610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:35,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:35,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:35,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561032625] [2021-10-28 23:20:35,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:35,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:35,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:35,700 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:36,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:36,577 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2021-10-28 23:20:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:36,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-28 23:20:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:36,586 INFO L225 Difference]: With dead ends: 1194 [2021-10-28 23:20:36,586 INFO L226 Difference]: Without dead ends: 784 [2021-10-28 23:20:36,589 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:36,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-10-28 23:20:36,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-10-28 23:20:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2021-10-28 23:20:36,642 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 99 [2021-10-28 23:20:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:36,643 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2021-10-28 23:20:36,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2021-10-28 23:20:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-28 23:20:36,646 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:36,647 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:36,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:20:36,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:36,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:36,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1008967451, now seen corresponding path program 1 times [2021-10-28 23:20:36,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:36,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134028323] [2021-10-28 23:20:36,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:36,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:36,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:36,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134028323] [2021-10-28 23:20:36,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134028323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:36,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:36,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:36,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402710852] [2021-10-28 23:20:36,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:36,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:36,825 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:37,760 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2021-10-28 23:20:37,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:37,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-10-28 23:20:37,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:37,767 INFO L225 Difference]: With dead ends: 1936 [2021-10-28 23:20:37,767 INFO L226 Difference]: Without dead ends: 1154 [2021-10-28 23:20:37,769 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:37,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-10-28 23:20:37,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2021-10-28 23:20:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2021-10-28 23:20:37,802 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 103 [2021-10-28 23:20:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:37,803 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2021-10-28 23:20:37,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2021-10-28 23:20:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-28 23:20:37,806 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:37,807 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:37,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:20:37,807 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:37,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:37,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2053609444, now seen corresponding path program 1 times [2021-10-28 23:20:37,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:37,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704823270] [2021-10-28 23:20:37,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:37,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:37,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:37,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704823270] [2021-10-28 23:20:37,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704823270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:37,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:37,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:37,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423964410] [2021-10-28 23:20:37,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:37,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:37,993 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:38,901 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2021-10-28 23:20:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:38,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2021-10-28 23:20:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:38,918 INFO L225 Difference]: With dead ends: 2679 [2021-10-28 23:20:38,918 INFO L226 Difference]: Without dead ends: 1712 [2021-10-28 23:20:38,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:38,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-10-28 23:20:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2021-10-28 23:20:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2021-10-28 23:20:38,961 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 145 [2021-10-28 23:20:38,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:38,962 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2021-10-28 23:20:38,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2021-10-28 23:20:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-28 23:20:38,968 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:38,968 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:38,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:20:38,969 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:38,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2108128152, now seen corresponding path program 1 times [2021-10-28 23:20:38,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:38,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713152600] [2021-10-28 23:20:38,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:38,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 23:20:39,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:39,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713152600] [2021-10-28 23:20:39,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713152600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:39,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:39,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:39,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302979198] [2021-10-28 23:20:39,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:39,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:39,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:39,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:39,131 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:40,114 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2021-10-28 23:20:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:40,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2021-10-28 23:20:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:40,129 INFO L225 Difference]: With dead ends: 3597 [2021-10-28 23:20:40,129 INFO L226 Difference]: Without dead ends: 2078 [2021-10-28 23:20:40,132 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-10-28 23:20:40,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2021-10-28 23:20:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2021-10-28 23:20:40,186 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 215 [2021-10-28 23:20:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:40,187 INFO L470 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2021-10-28 23:20:40,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2021-10-28 23:20:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-28 23:20:40,193 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:40,193 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:40,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:20:40,194 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:40,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:40,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1531624061, now seen corresponding path program 1 times [2021-10-28 23:20:40,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:40,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792958157] [2021-10-28 23:20:40,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:40,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:40,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:40,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792958157] [2021-10-28 23:20:40,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792958157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:40,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:40,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:40,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037133994] [2021-10-28 23:20:40,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:40,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:40,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:40,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:40,399 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:41,335 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2021-10-28 23:20:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:41,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 242 [2021-10-28 23:20:41,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:41,365 INFO L225 Difference]: With dead ends: 5075 [2021-10-28 23:20:41,366 INFO L226 Difference]: Without dead ends: 3188 [2021-10-28 23:20:41,369 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:41,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2021-10-28 23:20:41,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2021-10-28 23:20:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2021-10-28 23:20:41,447 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 242 [2021-10-28 23:20:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:41,448 INFO L470 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2021-10-28 23:20:41,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2021-10-28 23:20:41,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-10-28 23:20:41,454 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:41,455 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:41,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:20:41,455 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:41,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1612994281, now seen corresponding path program 1 times [2021-10-28 23:20:41,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:41,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093154032] [2021-10-28 23:20:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:41,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:41,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:41,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093154032] [2021-10-28 23:20:41,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093154032] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:20:41,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940615959] [2021-10-28 23:20:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:41,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:20:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:41,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:20:41,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:20:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:41,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:20:41,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-28 23:20:42,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940615959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:42,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:20:42,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 23:20:42,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869470255] [2021-10-28 23:20:42,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:20:42,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:20:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:20:42,845 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:44,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:44,253 INFO L93 Difference]: Finished difference Result 9517 states and 11337 transitions. [2021-10-28 23:20:44,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:20:44,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 251 [2021-10-28 23:20:44,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:44,291 INFO L225 Difference]: With dead ends: 9517 [2021-10-28 23:20:44,291 INFO L226 Difference]: Without dead ends: 6333 [2021-10-28 23:20:44,297 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:20:44,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6333 states. [2021-10-28 23:20:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6333 to 4667. [2021-10-28 23:20:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4667 states, 4666 states have (on average 1.1939562794684955) internal successors, (5571), 4666 states have internal predecessors, (5571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 5571 transitions. [2021-10-28 23:20:44,432 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 5571 transitions. Word has length 251 [2021-10-28 23:20:44,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:44,433 INFO L470 AbstractCegarLoop]: Abstraction has 4667 states and 5571 transitions. [2021-10-28 23:20:44,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 5571 transitions. [2021-10-28 23:20:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-28 23:20:44,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:44,441 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:44,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:44,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:20:44,660 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash 526105738, now seen corresponding path program 1 times [2021-10-28 23:20:44,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:44,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991457864] [2021-10-28 23:20:44,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:44,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-28 23:20:44,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:44,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991457864] [2021-10-28 23:20:44,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991457864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:44,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:44,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:44,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200611950] [2021-10-28 23:20:44,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:44,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:44,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:44,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:44,853 INFO L87 Difference]: Start difference. First operand 4667 states and 5571 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:45,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:45,750 INFO L93 Difference]: Finished difference Result 5957 states and 7065 transitions. [2021-10-28 23:20:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:45,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2021-10-28 23:20:45,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:45,786 INFO L225 Difference]: With dead ends: 5957 [2021-10-28 23:20:45,786 INFO L226 Difference]: Without dead ends: 5955 [2021-10-28 23:20:45,788 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2021-10-28 23:20:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5771. [2021-10-28 23:20:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5771 states, 5770 states have (on average 1.1880415944540728) internal successors, (6855), 5770 states have internal predecessors, (6855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5771 states to 5771 states and 6855 transitions. [2021-10-28 23:20:45,927 INFO L78 Accepts]: Start accepts. Automaton has 5771 states and 6855 transitions. Word has length 252 [2021-10-28 23:20:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:45,927 INFO L470 AbstractCegarLoop]: Abstraction has 5771 states and 6855 transitions. [2021-10-28 23:20:45,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5771 states and 6855 transitions. [2021-10-28 23:20:45,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-28 23:20:45,934 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:45,934 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:45,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:20:45,935 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:45,936 INFO L85 PathProgramCache]: Analyzing trace with hash 170318718, now seen corresponding path program 1 times [2021-10-28 23:20:45,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:45,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813608983] [2021-10-28 23:20:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:45,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:46,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:46,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813608983] [2021-10-28 23:20:46,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813608983] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:20:46,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957117933] [2021-10-28 23:20:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:46,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:20:46,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:46,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:20:46,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:20:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:46,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:20:46,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 23:20:47,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957117933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:47,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:20:47,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-10-28 23:20:47,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402282666] [2021-10-28 23:20:47,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:47,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:47,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:20:47,215 INFO L87 Difference]: Start difference. First operand 5771 states and 6855 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:48,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:48,225 INFO L93 Difference]: Finished difference Result 13197 states and 15677 transitions. [2021-10-28 23:20:48,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:48,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2021-10-28 23:20:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:48,265 INFO L225 Difference]: With dead ends: 13197 [2021-10-28 23:20:48,265 INFO L226 Difference]: Without dead ends: 7428 [2021-10-28 23:20:48,272 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:20:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2021-10-28 23:20:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 4655. [2021-10-28 23:20:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4655 states, 4654 states have (on average 1.1931671680275033) internal successors, (5553), 4654 states have internal predecessors, (5553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 4655 states and 5553 transitions. [2021-10-28 23:20:48,395 INFO L78 Accepts]: Start accepts. Automaton has 4655 states and 5553 transitions. Word has length 252 [2021-10-28 23:20:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:48,396 INFO L470 AbstractCegarLoop]: Abstraction has 4655 states and 5553 transitions. [2021-10-28 23:20:48,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4655 states and 5553 transitions. [2021-10-28 23:20:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-10-28 23:20:48,403 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:48,403 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:48,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-28 23:20:48,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:20:48,618 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:48,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:48,619 INFO L85 PathProgramCache]: Analyzing trace with hash -432409783, now seen corresponding path program 1 times [2021-10-28 23:20:48,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:48,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493604013] [2021-10-28 23:20:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:48,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-28 23:20:48,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:48,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493604013] [2021-10-28 23:20:48,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493604013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:48,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:48,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:48,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393758413] [2021-10-28 23:20:48,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:48,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:48,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:48,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:48,751 INFO L87 Difference]: Start difference. First operand 4655 states and 5553 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:49,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:49,707 INFO L93 Difference]: Finished difference Result 9304 states and 11101 transitions. [2021-10-28 23:20:49,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:49,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 263 [2021-10-28 23:20:49,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:49,711 INFO L225 Difference]: With dead ends: 9304 [2021-10-28 23:20:49,712 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:20:49,721 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:20:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:20:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:20:49,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2021-10-28 23:20:49,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:49,722 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:49,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:20:49,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:20:49,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:49,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:20:49,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:20:49,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:49,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:49,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:49,817 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:20:49,817 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,817 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-28 23:20:49,817 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,818 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,818 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,818 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,818 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,819 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,819 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-28 23:20:49,819 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-28 23:20:49,819 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-28 23:20:49,819 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,821 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,821 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,822 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,822 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,822 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,823 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,823 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,823 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,823 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,823 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-28 23:20:49,824 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,825 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,825 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,825 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,825 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,825 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,826 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 23:20:49,826 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 23:20:49,826 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-28 23:20:49,826 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,826 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,829 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,829 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (or (= ~a25~0 12) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a29~0 245) (not (= ~a4~0 1)) (<= 97 ~a23~0)) [2021-10-28 23:20:49,830 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,830 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:20:49,830 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-28 23:20:49,830 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,830 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-28 23:20:49,831 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-28 23:20:49,832 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-28 23:20:49,832 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-28 23:20:49,832 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,832 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,832 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-28 23:20:49,833 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-28 23:20:49,834 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-28 23:20:49,834 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,834 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,834 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,834 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,835 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-28 23:20:49,836 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-28 23:20:49,836 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-28 23:20:49,837 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,837 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (or (= ~a25~0 12) (= ~a25~0 11) (<= ~a25~0 10) (<= ~a29~0 245) (not (= ~a4~0 1)) (<= 97 ~a23~0)) [2021-10-28 23:20:49,837 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,837 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,837 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,838 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,838 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,838 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,838 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,838 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,839 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 23:20:49,839 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-28 23:20:49,839 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-28 23:20:49,839 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:20:49,842 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:20:49,842 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-28 23:20:49,842 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-28 23:20:49,842 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,843 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-28 23:20:49,844 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-28 23:20:49,845 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-28 23:20:49,845 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-28 23:20:49,845 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,846 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,846 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,846 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,847 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,847 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-28 23:20:49,847 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-28 23:20:49,847 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:20:49,848 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,849 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-28 23:20:49,850 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-28 23:20:49,851 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-28 23:20:49,851 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:20:49,851 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2021-10-28 23:20:49,851 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,851 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,852 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:20:49,853 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-28 23:20:49,854 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,854 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,854 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:20:49,854 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-28 23:20:49,854 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-28 23:20:49,855 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,856 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,857 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,858 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,859 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,860 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:20:49,861 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 23:20:49,862 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-28 23:20:49,862 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,862 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,862 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,862 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-28 23:20:49,863 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-28 23:20:49,864 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-28 23:20:49,865 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,866 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,867 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-28 23:20:49,868 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-28 23:20:49,868 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:20:49,868 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,869 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,870 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,870 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,870 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-28 23:20:49,871 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,872 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,873 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,873 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,874 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,875 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,875 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,876 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-28 23:20:49,877 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,878 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-28 23:20:49,879 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-28 23:20:49,880 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-28 23:20:49,880 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-28 23:20:49,884 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:49,886 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:20:49,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:20:49 BoogieIcfgContainer [2021-10-28 23:20:49,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:20:49,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:49,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:49,907 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:49,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:33" (3/4) ... [2021-10-28 23:20:49,911 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:20:49,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:20:49,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:20:49,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:49,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:50,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:20:50,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:50,160 INFO L168 Benchmark]: Toolchain (without parser) took 20030.76 ms. Allocated memory was 90.2 MB in the beginning and 262.1 MB in the end (delta: 172.0 MB). Free memory was 52.6 MB in the beginning and 135.4 MB in the end (delta: -82.9 MB). Peak memory consumption was 89.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,161 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:50,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1021.99 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 59.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.51 ms. Allocated memory is still 117.4 MB. Free memory was 59.9 MB in the beginning and 82.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,163 INFO L168 Benchmark]: Boogie Preprocessor took 151.36 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 72.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,163 INFO L168 Benchmark]: RCFGBuilder took 2021.56 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 48.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,164 INFO L168 Benchmark]: TraceAbstraction took 16392.94 ms. Allocated memory was 117.4 MB in the beginning and 262.1 MB in the end (delta: 144.7 MB). Free memory was 47.5 MB in the beginning and 159.5 MB in the end (delta: -112.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,164 INFO L168 Benchmark]: Witness Printer took 251.82 ms. Allocated memory is still 262.1 MB. Free memory was 159.5 MB in the beginning and 135.4 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:50,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1021.99 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 59.9 MB in the end (delta: -7.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.51 ms. Allocated memory is still 117.4 MB. Free memory was 59.9 MB in the beginning and 82.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.36 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 72.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2021.56 ms. Allocated memory is still 117.4 MB. Free memory was 72.7 MB in the beginning and 48.1 MB in the end (delta: 24.6 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16392.94 ms. Allocated memory was 117.4 MB in the beginning and 262.1 MB in the end (delta: 144.7 MB). Free memory was 47.5 MB in the beginning and 159.5 MB in the end (delta: -112.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Witness Printer took 251.82 ms. Allocated memory is still 262.1 MB. Free memory was 159.5 MB in the beginning and 135.4 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1894 SDtfs, 1830 SDslu, 232 SDs, 0 SdLazy, 5913 SolverSat, 940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 533 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5771occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 5016 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 41 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1420 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2358 NumberOfCodeBlocks, 2358 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2346 ConstructedInterpolants, 0 QuantifiedInterpolants, 10060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1182/1301 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((a25 == 12 || a25 == 11) || a25 <= 10) || a29 <= 245) || !(a4 == 1)) || 97 <= a23 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((a25 == 12 || a25 == 11) || a25 <= 10) || a29 <= 245) || !(a4 == 1)) || 97 <= a23 - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:20:50,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0dbba5-5c62-4857-8ce8-21af9d19d727/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...