./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bea9e19089383bc0164dc4e36aa721d6c44729d5672e3fc5e450e2d0c7d34e28 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:50:07,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:50:07,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:50:07,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:50:07,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:50:07,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:50:07,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:50:07,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:50:07,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:50:07,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:50:07,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:50:07,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:50:07,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:50:07,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:50:07,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:50:07,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:50:07,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:50:07,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:50:07,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:50:07,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:50:07,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:50:07,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:50:07,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:50:07,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:50:07,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:50:07,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:50:07,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:50:07,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:50:07,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:50:07,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:50:07,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:50:07,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:50:07,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:50:07,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:50:07,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:50:07,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:50:07,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:50:07,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:50:07,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:50:07,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:50:07,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:50:07,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:50:07,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:50:07,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:50:07,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:50:07,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:50:07,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:50:07,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:50:07,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:50:07,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:50:07,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:50:07,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:50:07,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:50:07,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:50:07,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:50:07,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:50:07,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:50:07,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:50:07,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:50:07,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:50:07,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:50:07,191 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:50:07,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:50:07,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:07,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:50:07,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:50:07,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:50:07,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:50:07,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:50:07,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:50:07,192 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_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bea9e19089383bc0164dc4e36aa721d6c44729d5672e3fc5e450e2d0c7d34e28 [2021-11-23 00:50:07,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:50:07,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:50:07,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:50:07,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:50:07,580 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:50:07,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label57.c [2021-11-23 00:50:07,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/data/8659c66cd/93ea0e691f0b4c5bb59bd66480bc4035/FLAGd51cf4d65 [2021-11-23 00:50:08,258 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:50:08,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/sv-benchmarks/c/eca-rers2012/Problem14_label57.c [2021-11-23 00:50:08,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/data/8659c66cd/93ea0e691f0b4c5bb59bd66480bc4035/FLAGd51cf4d65 [2021-11-23 00:50:08,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/data/8659c66cd/93ea0e691f0b4c5bb59bd66480bc4035 [2021-11-23 00:50:08,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:50:08,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:50:08,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:08,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:50:08,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:50:08,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:08" (1/1) ... [2021-11-23 00:50:08,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730b141f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:08, skipping insertion in model container [2021-11-23 00:50:08,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:08" (1/1) ... [2021-11-23 00:50:08,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:50:08,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:50:08,882 WARN L230 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_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/sv-benchmarks/c/eca-rers2012/Problem14_label57.c[3243,3256] [2021-11-23 00:50:09,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:09,129 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:50:09,147 WARN L230 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_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/sv-benchmarks/c/eca-rers2012/Problem14_label57.c[3243,3256] [2021-11-23 00:50:09,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:09,316 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:50:09,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09 WrapperNode [2021-11-23 00:50:09,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:09,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:09,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:50:09,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:50:09,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,470 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 00:50:09,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:09,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:50:09,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:50:09,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:50:09,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:50:09,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:50:09,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:50:09,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:50:09,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:09" (1/1) ... [2021-11-23 00:50:09,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:50:09,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:50:09,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f44bfb3-a06a-4877-8d8d-8f41fddf9e50/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:50:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:50:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:50:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:50:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:50:09,716 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:50:09,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:50:10,938 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:50:14,459 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:50:14,459 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:50:14,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:14 BoogieIcfgContainer [2021-11-23 00:50:14,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:50:14,463 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:50:14,463 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:50:14,473 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:50:14,473 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:14" (1/1) ... [2021-11-23 00:50:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:50:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 00:50:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 00:50:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:50:14,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-23 00:50:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-23 00:50:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:50:14,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 00:50:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 00:50:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:50:15,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-23 00:50:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-23 00:50:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:17,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:17,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2021-11-23 00:50:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2021-11-23 00:50:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:21,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:21,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,603 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:24,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:50:24,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2021-11-23 00:50:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2021-11-23 00:50:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:24,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:24,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 45 states and 92 transitions. [2021-11-23 00:50:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 92 transitions. [2021-11-23 00:50:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:26,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 52 states and 116 transitions. [2021-11-23 00:50:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 116 transitions. [2021-11-23 00:50:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:30,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:30,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 55 states and 124 transitions. [2021-11-23 00:50:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2021-11-23 00:50:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:32,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:32,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 130 transitions. [2021-11-23 00:50:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2021-11-23 00:50:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:50:34,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:34,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:36,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 62 states and 135 transitions. [2021-11-23 00:50:36,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 135 transitions. [2021-11-23 00:50:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:50:36,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:36,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 78 states and 186 transitions. [2021-11-23 00:50:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 186 transitions. [2021-11-23 00:50:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:50:48,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:48,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 85 states and 201 transitions. [2021-11-23 00:50:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 201 transitions. [2021-11-23 00:50:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:50:55,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 95 states and 228 transitions. [2021-11-23 00:51:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 228 transitions. [2021-11-23 00:51:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:51:04,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:04,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 228 transitions. [2021-11-23 00:51:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 228 transitions. [2021-11-23 00:51:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:51:09,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 106 states and 255 transitions. [2021-11-23 00:51:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 255 transitions. [2021-11-23 00:51:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:51:33,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:33,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 110 states and 266 transitions. [2021-11-23 00:51:49,932 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 266 transitions. [2021-11-23 00:51:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:51:49,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:49,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 126 states and 303 transitions. [2021-11-23 00:52:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 303 transitions. [2021-11-23 00:52:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:52:09,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:09,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 132 states and 319 transitions. [2021-11-23 00:52:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 319 transitions. [2021-11-23 00:52:20,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:52:20,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat