./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.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_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI --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 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:46:53,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:46:53,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:46:53,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:46:53,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:46:53,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:46:53,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:46:53,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:46:53,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:46:53,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:46:53,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:46:53,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:46:53,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:46:53,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:46:53,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:46:53,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:46:53,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:46:53,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:46:53,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:46:53,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:46:53,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:46:53,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:46:53,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:46:53,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:46:53,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:46:53,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:46:53,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:46:53,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:46:53,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:46:53,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:46:53,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:46:53,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:46:53,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:46:53,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:46:53,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:46:53,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:46:53,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:46:53,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:46:53,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:46:53,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:46:53,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:46:53,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:46:53,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:46:54,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:46:54,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:46:54,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:46:54,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:46:54,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:46:54,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:46:54,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:46:54,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:46:54,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:46:54,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:46:54,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:46:54,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:46:54,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:46:54,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:46:54,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:46:54,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:46:54,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:46:54,013 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:46:54,013 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:46:54,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:46:54,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:54,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:46:54,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:46:54,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:46:54,015 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:46:54,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:46:54,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:46:54,015 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_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 [2021-10-29 03:46:54,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:46:54,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:46:54,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:46:54,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:46:54,343 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:46:54,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2021-10-29 03:46:54,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/data/868444899/75ab9380548d46b1941da9a846d35e8f/FLAG9cd6cd320 [2021-10-29 03:46:54,898 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:46:54,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2021-10-29 03:46:54,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/data/868444899/75ab9380548d46b1941da9a846d35e8f/FLAG9cd6cd320 [2021-10-29 03:46:55,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/data/868444899/75ab9380548d46b1941da9a846d35e8f [2021-10-29 03:46:55,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:46:55,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:46:55,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:55,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:46:55,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:46:55,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f52f3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55, skipping insertion in model container [2021-10-29 03:46:55,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:46:55,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:46:55,471 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_bbb64f92-0001-45c6-9838-1b645f955e25/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2021-10-29 03:46:55,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:55,523 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:46:55,535 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_bbb64f92-0001-45c6-9838-1b645f955e25/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2021-10-29 03:46:55,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:55,553 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:46:55,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55 WrapperNode [2021-10-29 03:46:55,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:55,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:55,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:46:55,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:46:55,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:55,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:46:55,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:46:55,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:46:55,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:46:55,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:46:55,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:46:55,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:46:55,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:55" (1/1) ... [2021-10-29 03:46:55,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:55,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:46:55,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:46:55,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:46:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:46:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:46:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:46:56,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:46:56,006 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:46:56,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:56 BoogieIcfgContainer [2021-10-29 03:46:56,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:46:56,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:46:56,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:46:56,021 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:46:56,021 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:56" (1/1) ... [2021-10-29 03:46:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:46:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-10-29 03:46:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-10-29 03:46:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:46:56,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-10-29 03:46:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-10-29 03:46:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:46:56,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-10-29 03:46:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-10-29 03:46:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:46:56,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-10-29 03:46:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-10-29 03:46:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:56,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:46:56,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:46:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:57,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-10-29 03:46:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-10-29 03:46:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:46:57,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:57,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:57,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:46:57,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:46:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:46:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:58,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-10-29 03:46:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-10-29 03:46:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:46:58,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:58,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:58,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:46:58,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:46:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:46:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:59,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2021-10-29 03:46:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-10-29 03:46:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:46:59,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:59,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:59,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:46:59,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:46:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 94 transitions. [2021-10-29 03:47:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2021-10-29 03:47:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:47:00,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:00,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:00,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:00,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 105 transitions. [2021-10-29 03:47:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2021-10-29 03:47:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:47:01,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:01,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:01,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:01,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 106 transitions. [2021-10-29 03:47:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2021-10-29 03:47:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:47:02,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:02,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:02,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:02,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 03:47:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 113 transitions. [2021-10-29 03:47:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2021-10-29 03:47:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:47:03,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:03,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:03,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:03,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:47:04,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2021-10-29 03:47:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2021-10-29 03:47:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:47:04,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:04,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:04,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:04,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:47:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 122 transitions. [2021-10-29 03:47:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2021-10-29 03:47:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:47:05,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:05,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:05,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:05,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:47:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 121 transitions. [2021-10-29 03:47:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 121 transitions. [2021-10-29 03:47:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:47:06,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:06,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:06,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:06,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:47:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 54 states and 129 transitions. [2021-10-29 03:47:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2021-10-29 03:47:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:47:07,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:07,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:07,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:07,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:47:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 131 transitions. [2021-10-29 03:47:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 131 transitions. [2021-10-29 03:47:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:47:07,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:07,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:07,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:47:07,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:47:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 65 states and 185 transitions. [2021-10-29 03:47:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 185 transitions. [2021-10-29 03:47:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:47:09,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:09,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:09,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:09,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:47:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 69 states and 200 transitions. [2021-10-29 03:47:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 200 transitions. [2021-10-29 03:47:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:47:10,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:10,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:10,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:10,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:47:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 71 states and 201 transitions. [2021-10-29 03:47:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 201 transitions. [2021-10-29 03:47:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:47:11,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:11,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:11,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:47:11,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:47:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 71 states and 200 transitions. [2021-10-29 03:47:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 200 transitions. [2021-10-29 03:47:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:47:12,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:12,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:12,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:12,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:47:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 204 transitions. [2021-10-29 03:47:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 204 transitions. [2021-10-29 03:47:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 03:47:13,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:13,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:13,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:13,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 03:47:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 74 states and 203 transitions. [2021-10-29 03:47:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 203 transitions. [2021-10-29 03:47:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 03:47:13,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:13,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:13,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:13,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-29 03:47:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 74 states and 202 transitions. [2021-10-29 03:47:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 202 transitions. [2021-10-29 03:47:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:47:14,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:14,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:14,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:47:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:47:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 76 states and 217 transitions. [2021-10-29 03:47:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 217 transitions. [2021-10-29 03:47:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:47:15,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:15,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:15,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:47:15,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:47:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 76 states and 216 transitions. [2021-10-29 03:47:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 216 transitions. [2021-10-29 03:47:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:47:17,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:17,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:17,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 03:47:17,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:47:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 76 states and 215 transitions. [2021-10-29 03:47:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 215 transitions. [2021-10-29 03:47:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:47:17,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:17,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:18,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:47:18,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:47:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 77 states and 227 transitions. [2021-10-29 03:47:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 227 transitions. [2021-10-29 03:47:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 03:47:18,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:18,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:18,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:18,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-10-29 03:47:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 78 states and 230 transitions. [2021-10-29 03:47:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 230 transitions. [2021-10-29 03:47:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:19,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:19,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:19,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:47:19,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:47:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 82 states and 245 transitions. [2021-10-29 03:47:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 245 transitions. [2021-10-29 03:47:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:20,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:20,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:21,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:47:21,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:47:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 84 states and 246 transitions. [2021-10-29 03:47:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 246 transitions. [2021-10-29 03:47:22,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:22,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:22,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:22,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:47:22,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:47:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 87 states and 250 transitions. [2021-10-29 03:47:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 250 transitions. [2021-10-29 03:47:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:23,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:23,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:23,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:47:23,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:47:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 97 states and 322 transitions. [2021-10-29 03:47:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 322 transitions. [2021-10-29 03:47:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:25,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:25,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:25,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:47:25,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:47:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 100 states and 326 transitions. [2021-10-29 03:47:27,233 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 326 transitions. [2021-10-29 03:47:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:27,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:27,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:27,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:47:27,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:47:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 100 states and 325 transitions. [2021-10-29 03:47:27,801 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 325 transitions. [2021-10-29 03:47:27,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:47:27,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:27,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:27,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:47:27,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:47:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 100 states and 324 transitions. [2021-10-29 03:47:28,449 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 324 transitions. [2021-10-29 03:47:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 03:47:28,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:28,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:28,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:28,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:47:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 100 states and 323 transitions. [2021-10-29 03:47:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 323 transitions. [2021-10-29 03:47:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 03:47:29,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:29,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:29,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:29,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:47:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 100 states and 322 transitions. [2021-10-29 03:47:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 322 transitions. [2021-10-29 03:47:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 03:47:29,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:29,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:29,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:29,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 03:47:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 100 states and 321 transitions. [2021-10-29 03:47:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 321 transitions. [2021-10-29 03:47:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:47:29,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:29,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:29,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:47:29,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:47:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 341 transitions. [2021-10-29 03:47:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 341 transitions. [2021-10-29 03:47:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:47:32,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:32,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:32,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:47:32,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:47:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 102 states and 340 transitions. [2021-10-29 03:47:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 340 transitions. [2021-10-29 03:47:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:47:33,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:33,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:33,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:47:33,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:47:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 102 states and 339 transitions. [2021-10-29 03:47:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 339 transitions. [2021-10-29 03:47:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:47:34,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:34,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:34,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:47:34,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:47:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 102 states and 338 transitions. [2021-10-29 03:47:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 338 transitions. [2021-10-29 03:47:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 03:47:36,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:36,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:36,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:47:36,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:47:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 354 transitions. [2021-10-29 03:47:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 354 transitions. [2021-10-29 03:47:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-29 03:47:37,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:37,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:37,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:37,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-10-29 03:47:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 104 states and 358 transitions. [2021-10-29 03:47:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 358 transitions. [2021-10-29 03:47:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:37,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:37,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:37,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:37,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:47:41,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 114 states and 429 transitions. [2021-10-29 03:47:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 429 transitions. [2021-10-29 03:47:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:41,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:41,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:41,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:47:41,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:47:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 118 states and 448 transitions. [2021-10-29 03:47:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 448 transitions. [2021-10-29 03:47:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:43,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:43,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:43,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:47:43,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:44,179 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:47:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 121 states and 453 transitions. [2021-10-29 03:47:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 453 transitions. [2021-10-29 03:47:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:45,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:45,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:45,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:47:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 121 states and 452 transitions. [2021-10-29 03:47:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 452 transitions. [2021-10-29 03:47:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:46,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:46,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:46,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:47:46,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:47:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 123 states and 453 transitions. [2021-10-29 03:47:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 453 transitions. [2021-10-29 03:47:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:47,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:47,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:47,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:47:47,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:47:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 126 states and 457 transitions. [2021-10-29 03:47:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 457 transitions. [2021-10-29 03:47:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:49,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:49,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:49,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:49,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:47:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:50,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 126 states and 456 transitions. [2021-10-29 03:47:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 456 transitions. [2021-10-29 03:47:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:50,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:50,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:50,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:47:50,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-10-29 03:47:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 129 states and 460 transitions. [2021-10-29 03:47:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 460 transitions. [2021-10-29 03:47:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 03:47:51,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:51,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:51,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:51,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 03:47:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 129 states and 459 transitions. [2021-10-29 03:47:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 459 transitions. [2021-10-29 03:47:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 03:47:52,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:52,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:52,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:52,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-10-29 03:47:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 129 states and 458 transitions. [2021-10-29 03:47:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 458 transitions. [2021-10-29 03:47:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 03:47:53,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:53,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:53,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:53,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-10-29 03:47:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 129 states and 457 transitions. [2021-10-29 03:47:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 457 transitions. [2021-10-29 03:47:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 03:47:53,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:53,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:53,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:53,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-10-29 03:47:54,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 129 states and 456 transitions. [2021-10-29 03:47:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 456 transitions. [2021-10-29 03:47:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 03:47:54,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:54,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:54,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:54,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-10-29 03:47:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 129 states and 455 transitions. [2021-10-29 03:47:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 455 transitions. [2021-10-29 03:47:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:47:54,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:54,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:54,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:47:54,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:47:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 131 states and 479 transitions. [2021-10-29 03:47:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 479 transitions. [2021-10-29 03:47:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:47:57,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:57,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:58,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:47:58,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:47:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 131 states and 478 transitions. [2021-10-29 03:47:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 478 transitions. [2021-10-29 03:47:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:47:59,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:59,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:59,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:47:59,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:48:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 131 states and 477 transitions. [2021-10-29 03:48:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 477 transitions. [2021-10-29 03:48:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:48:01,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:01,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:01,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:48:01,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:48:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 131 states and 476 transitions. [2021-10-29 03:48:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 476 transitions. [2021-10-29 03:48:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 03:48:03,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:03,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:03,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-29 03:48:03,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-10-29 03:48:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 130 states and 465 transitions. [2021-10-29 03:48:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 465 transitions. [2021-10-29 03:48:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:48:05,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:05,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:05,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:48:05,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-10-29 03:48:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 131 states and 485 transitions. [2021-10-29 03:48:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 485 transitions. [2021-10-29 03:48:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-29 03:48:06,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:06,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:07,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:48:07,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-10-29 03:48:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 132 states and 490 transitions. [2021-10-29 03:48:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 490 transitions. [2021-10-29 03:48:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:48:07,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:07,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:07,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:48:07,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 460 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:48:15,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 154 states and 585 transitions. [2021-10-29 03:48:15,632 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 585 transitions. [2021-10-29 03:48:15,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:48:15,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:15,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:15,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:48:15,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 70 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-10-29 03:48:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 157 states and 591 transitions. [2021-10-29 03:48:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 591 transitions. [2021-10-29 03:48:18,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:48:18,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:18,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:18,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:48:18,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 460 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:48:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 157 states and 588 transitions. [2021-10-29 03:48:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 588 transitions. [2021-10-29 03:48:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 03:48:20,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:20,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:20,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:48:20,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 460 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:48:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 68 states and 126 transitions. [2021-10-29 03:48:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2021-10-29 03:48:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-29 03:48:22,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:22,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:22,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:48:22,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-10-29 03:48:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 68 states and 125 transitions. [2021-10-29 03:48:22,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2021-10-29 03:48:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-29 03:48:22,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:48:22,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:48:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:48:23,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-29 03:48:23,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:48:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 32 proven. 70 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-10-29 03:48:25,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:48:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 62 states and 108 transitions. [2021-10-29 03:48:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2021-10-29 03:48:25,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:48:25,641 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 70 iterations. [2021-10-29 03:48:25,647 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:48:27,207 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:48:27,210 INFO L565 CodeCheckObserver]: Invariant with dag size 62 [2021-10-29 03:48:27,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:48:27 ImpRootNode [2021-10-29 03:48:27,222 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:48:27,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:48:27,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:48:27,224 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:48:27,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:56" (3/4) ... [2021-10-29 03:48:27,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:48:27,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:48:27,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:48:27,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:48:27,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:48:27,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:48:27,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:48:27,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:48:27,292 INFO L168 Benchmark]: Toolchain (without parser) took 92023.09 ms. Allocated memory was 119.5 MB in the beginning and 708.8 MB in the end (delta: 589.3 MB). Free memory was 80.7 MB in the beginning and 431.9 MB in the end (delta: -351.2 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:48:27,292 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 119.5 MB. Free memory was 96.9 MB in the beginning and 96.8 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:48:27,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.03 ms. Allocated memory is still 119.5 MB. Free memory was 80.5 MB in the beginning and 95.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:48:27,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.96 ms. Allocated memory is still 119.5 MB. Free memory was 95.0 MB in the beginning and 93.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:48:27,295 INFO L168 Benchmark]: Boogie Preprocessor took 23.31 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 92.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:48:27,296 INFO L168 Benchmark]: RCFGBuilder took 394.50 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 81.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:48:27,297 INFO L168 Benchmark]: CodeCheck took 91212.84 ms. Allocated memory was 119.5 MB in the beginning and 708.8 MB in the end (delta: 589.3 MB). Free memory was 81.7 MB in the beginning and 434.0 MB in the end (delta: -352.3 MB). Peak memory consumption was 237.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:48:27,297 INFO L168 Benchmark]: Witness Printer took 66.39 ms. Allocated memory is still 708.8 MB. Free memory was 434.0 MB in the beginning and 431.9 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:48:27,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 89.5s, OverallIterations: 70, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 403145096 SDslu, 268435712 SDs, 0 SdLazy, -1296597656 SolverSat, -1936915692 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 136.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46474 GetRequests, 44234 SyntacticMatches, 1580 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255641 ImplicationChecksByTransitivity, 64.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 22.5s InterpolantComputationTime, 4171 NumberOfCodeBlocks, 4171 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 4102 ConstructedInterpolants, 0 QuantifiedInterpolants, 13630 SizeOfPredicates, 130 NumberOfNonLiveVariables, 11438 ConjunctsInSsa, 1088 ConjunctsInUnsatCore, 69 InterpolantComputations, 5 PerfectInterpolantSequences, 13075/15809 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((t == 9 && s == 25) || (s == 2 * a + 2 && a == 1)) || ((((!(a == 4 && t == 9) && counter <= 1) && !(t == 3 && a == 1)) && !(a == 3 && t == 7)) && !(t == 5 && a == 2))) || (!(t == 11 && a == 5) && 4 < counter)) || (s == 36 && 4 < counter)) || ((!(a == 4 && t == 9) && counter <= 4) && 3 < counter)) || (((!(a == 4 && t == 9) && counter <= 3) && 2 < counter) && !(a == 3 && t == 7))) || (s == 16 && t == 7)) || ((((!(a == 4 && t == 9) && 1 < counter) && !(a == 3 && t == 7)) && !(t == 5 && a == 2)) && counter <= 2)) || (a == 2 && s == 2 * a + 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 119.5 MB. Free memory was 96.9 MB in the beginning and 96.8 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 277.03 ms. Allocated memory is still 119.5 MB. Free memory was 80.5 MB in the beginning and 95.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.96 ms. Allocated memory is still 119.5 MB. Free memory was 95.0 MB in the beginning and 93.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.31 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 92.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 394.50 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 81.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 91212.84 ms. Allocated memory was 119.5 MB in the beginning and 708.8 MB in the end (delta: 589.3 MB). Free memory was 81.7 MB in the beginning and 434.0 MB in the end (delta: -352.3 MB). Peak memory consumption was 237.3 MB. Max. memory is 16.1 GB. * Witness Printer took 66.39 ms. Allocated memory is still 708.8 MB. Free memory was 434.0 MB in the beginning and 431.9 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:48:27,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb64f92-0001-45c6-9838-1b645f955e25/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...