./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-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_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/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_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/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_4395efda-3154-4ceb-9051-6865b40cee16/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 d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:01:51,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:01:51,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:01:51,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:01:51,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:01:51,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:01:51,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:01:51,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:01:51,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:01:51,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:01:51,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:01:51,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:01:51,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:01:51,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:01:51,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:01:51,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:01:51,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:01:51,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:01:51,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:01:51,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:01:51,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:01:51,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:01:51,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:01:51,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:01:51,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:01:51,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:01:51,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:01:51,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:01:51,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:01:51,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:01:51,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:01:51,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:01:51,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:01:51,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:01:51,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:01:51,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:01:51,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:01:51,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:01:51,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:01:51,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:01:51,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:01:51,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:01:51,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:01:51,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:01:51,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:01:51,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:01:51,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:01:51,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:01:51,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:01:51,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:01:51,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:01:51,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:01:51,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:01:51,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:01:51,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:01:51,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:01:51,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:01:51,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:01:51,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:01:51,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:01:51,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:01:51,314 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:01:51,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:01:51,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:01:51,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:01:51,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:01:51,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:01:51,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:01:51,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:01:51,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:01:51,316 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_4395efda-3154-4ceb-9051-6865b40cee16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2021-10-29 03:01:51,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:01:51,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:01:51,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:01:51,626 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:01:51,627 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:01:51,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2021-10-29 03:01:51,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/data/9fd574b2d/80d48936dd26436b8e0bea228c08afd4/FLAG8f509720a [2021-10-29 03:01:52,137 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:01:52,142 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2021-10-29 03:01:52,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/data/9fd574b2d/80d48936dd26436b8e0bea228c08afd4/FLAG8f509720a [2021-10-29 03:01:52,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/data/9fd574b2d/80d48936dd26436b8e0bea228c08afd4 [2021-10-29 03:01:52,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:01:52,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:01:52,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:01:52,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:01:52,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:01:52,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ce206b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52, skipping insertion in model container [2021-10-29 03:01:52,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:01:52,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:01:52,738 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_4395efda-3154-4ceb-9051-6865b40cee16/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2021-10-29 03:01:52,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:01:52,761 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:01:52,774 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_4395efda-3154-4ceb-9051-6865b40cee16/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2021-10-29 03:01:52,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:01:52,790 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:01:52,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52 WrapperNode [2021-10-29 03:01:52,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:01:52,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:01:52,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:01:52,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:01:52,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:01:52,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:01:52,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:01:52,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:01:52,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:01:52,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:01:52,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:01:52,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:01:52,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:01:52" (1/1) ... [2021-10-29 03:01:52,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:01:52,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:01:52,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:01:52,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:01:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:01:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:01:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:01:52,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:01:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:01:52,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:01:53,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:01:53,170 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:01:53,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:53 BoogieIcfgContainer [2021-10-29 03:01:53,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:01:53,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:01:53,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:01:53,182 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:01:53,182 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:53" (1/1) ... [2021-10-29 03:01:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:01:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-10-29 03:01:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-10-29 03:01:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:01:53,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:53,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:53,358 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 03:01:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-29 03:01:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-29 03:01:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:01:53,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:53,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:53,488 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 03:01:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-29 03:01:53,547 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-29 03:01:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:01:53,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:53,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:53,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:01:53,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:53,778 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 03:01:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-10-29 03:01:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-10-29 03:01:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:01:54,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:54,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:54,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:01:54,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:54,246 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 03:01:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2021-10-29 03:01:54,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2021-10-29 03:01:54,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:01:54,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:54,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:54,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:01:54,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:01:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2021-10-29 03:01:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2021-10-29 03:01:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:01:55,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:55,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:55,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:01:55,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:01:56,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2021-10-29 03:01:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2021-10-29 03:01:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:01:56,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:56,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:56,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:01:56,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:01:56,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2021-10-29 03:01:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2021-10-29 03:01:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:01:56,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:56,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:56,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:01:56,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:01:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2021-10-29 03:01:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2021-10-29 03:01:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:01:57,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:57,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:57,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:01:57,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:01:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:01:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2021-10-29 03:01:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2021-10-29 03:01:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:01:59,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:01:59,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:01:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:01:59,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:01:59,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:01:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:02:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2021-10-29 03:02:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-10-29 03:02:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:02:00,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:00,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:00,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:02:00,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:02:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 57 states and 137 transitions. [2021-10-29 03:02:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 137 transitions. [2021-10-29 03:02:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:02:01,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:01,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:01,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:02:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:02:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 59 states and 139 transitions. [2021-10-29 03:02:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 139 transitions. [2021-10-29 03:02:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:02:02,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:02,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:02,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:02:02,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 67 states and 184 transitions. [2021-10-29 03:02:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 184 transitions. [2021-10-29 03:02:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:02:03,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:03,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:03,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:02:03,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:02:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 69 states and 186 transitions. [2021-10-29 03:02:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 186 transitions. [2021-10-29 03:02:04,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:02:04,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:04,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:04,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:02:04,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 185 transitions. [2021-10-29 03:02:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 185 transitions. [2021-10-29 03:02:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:02:05,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:05,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:05,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:05,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 03:02:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 72 states and 195 transitions. [2021-10-29 03:02:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 195 transitions. [2021-10-29 03:02:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:02:06,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:06,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:06,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:02:06,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 81 states and 238 transitions. [2021-10-29 03:02:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 238 transitions. [2021-10-29 03:02:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:02:09,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:09,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:10,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:02:10,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 85 states and 241 transitions. [2021-10-29 03:02:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 241 transitions. [2021-10-29 03:02:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:02:11,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:11,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:11,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:02:11,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 87 states and 243 transitions. [2021-10-29 03:02:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 243 transitions. [2021-10-29 03:02:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:12,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:12,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:12,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:02:12,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 91 states and 260 transitions. [2021-10-29 03:02:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 260 transitions. [2021-10-29 03:02:14,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:14,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:14,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:14,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:02:14,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 93 states and 262 transitions. [2021-10-29 03:02:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 262 transitions. [2021-10-29 03:02:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:15,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:15,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:15,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:02:15,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 95 states and 264 transitions. [2021-10-29 03:02:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 264 transitions. [2021-10-29 03:02:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:17,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:17,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:17,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:02:17,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2021-10-29 03:02:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2021-10-29 03:02:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:18,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:18,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:18,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:02:18,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:02:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 101 states and 291 transitions. [2021-10-29 03:02:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 291 transitions. [2021-10-29 03:02:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:20,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:20,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:20,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:02:20,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 105 states and 326 transitions. [2021-10-29 03:02:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 326 transitions. [2021-10-29 03:02:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:02:21,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:21,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:21,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:02:21,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 105 states and 325 transitions. [2021-10-29 03:02:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 325 transitions. [2021-10-29 03:02:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:02:22,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:22,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:22,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:22,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-29 03:02:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 106 states and 331 transitions. [2021-10-29 03:02:22,761 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 331 transitions. [2021-10-29 03:02:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:22,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:22,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:22,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:22,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 115 states and 386 transitions. [2021-10-29 03:02:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 386 transitions. [2021-10-29 03:02:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:27,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:27,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:27,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:27,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 117 states and 388 transitions. [2021-10-29 03:02:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 388 transitions. [2021-10-29 03:02:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:28,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:28,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:28,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:28,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 119 states and 389 transitions. [2021-10-29 03:02:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 389 transitions. [2021-10-29 03:02:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:29,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:29,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:29,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:29,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 121 states and 391 transitions. [2021-10-29 03:02:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 391 transitions. [2021-10-29 03:02:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:30,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:30,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:30,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:30,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 123 states and 393 transitions. [2021-10-29 03:02:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 393 transitions. [2021-10-29 03:02:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:02:31,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:31,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:31,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:02:31,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 125 states and 394 transitions. [2021-10-29 03:02:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 394 transitions. [2021-10-29 03:02:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:33,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:33,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:33,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:02:33,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 129 states and 415 transitions. [2021-10-29 03:02:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 415 transitions. [2021-10-29 03:02:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:35,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:35,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:35,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:02:35,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 131 states and 417 transitions. [2021-10-29 03:02:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 417 transitions. [2021-10-29 03:02:37,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:37,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:37,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:37,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:02:37,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 133 states and 419 transitions. [2021-10-29 03:02:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 419 transitions. [2021-10-29 03:02:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:39,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:39,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:39,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:02:39,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 135 states and 421 transitions. [2021-10-29 03:02:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 421 transitions. [2021-10-29 03:02:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:41,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:41,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:41,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:41,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 139 states and 437 transitions. [2021-10-29 03:02:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 437 transitions. [2021-10-29 03:02:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:43,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:43,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:43,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:02:43,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:02:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 141 states and 439 transitions. [2021-10-29 03:02:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 439 transitions. [2021-10-29 03:02:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:45,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:45,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:45,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:45,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:47,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 145 states and 483 transitions. [2021-10-29 03:02:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 483 transitions. [2021-10-29 03:02:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:47,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:47,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:47,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:47,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 145 states and 482 transitions. [2021-10-29 03:02:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 482 transitions. [2021-10-29 03:02:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:02:48,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:48,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:48,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:48,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:02:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 145 states and 481 transitions. [2021-10-29 03:02:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 481 transitions. [2021-10-29 03:02:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:02:48,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:48,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:48,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:02:48,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-29 03:02:50,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 148 states and 493 transitions. [2021-10-29 03:02:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 493 transitions. [2021-10-29 03:02:50,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:02:50,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:50,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:50,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:02:50,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:02:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 157 states and 558 transitions. [2021-10-29 03:02:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 558 transitions. [2021-10-29 03:02:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:02:57,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:57,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:57,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:02:57,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:02:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:02:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 159 states and 560 transitions. [2021-10-29 03:02:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 560 transitions. [2021-10-29 03:02:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:02:58,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:02:58,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:02:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:02:58,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:02:58,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:02:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:03:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 161 states and 561 transitions. [2021-10-29 03:03:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 561 transitions. [2021-10-29 03:03:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:00,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:00,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:00,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:03:00,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:03:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:03:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 165 states and 564 transitions. [2021-10-29 03:03:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 564 transitions. [2021-10-29 03:03:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:03,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:03,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:03,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:03:03,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:03:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:03:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 167 states and 566 transitions. [2021-10-29 03:03:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 566 transitions. [2021-10-29 03:03:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:05,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:05,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:05,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:03:05,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:03:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:03:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 169 states and 568 transitions. [2021-10-29 03:03:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 568 transitions. [2021-10-29 03:03:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:03:06,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:06,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:06,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:03:06,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:03:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:03:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 171 states and 569 transitions. [2021-10-29 03:03:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 569 transitions. [2021-10-29 03:03:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 03:03:08,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:08,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:03:08,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:03:08,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:03:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:03:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:03:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 187 states and 653 transitions. [2021-10-29 03:03:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 653 transitions. [2021-10-29 03:03:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 03:03:19,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:03:19,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:03:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:03:19,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:03:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:03:19,356 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 52 iterations. [2021-10-29 03:03:19,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:03:19 ImpRootNode [2021-10-29 03:03:19,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:03:19,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:03:19,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:03:19,434 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:03:19,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:01:53" (3/4) ... [2021-10-29 03:03:19,437 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:03:19,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:03:19,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:03:19,566 INFO L168 Benchmark]: Toolchain (without parser) took 87038.31 ms. Allocated memory was 117.4 MB in the beginning and 664.8 MB in the end (delta: 547.4 MB). Free memory was 78.5 MB in the beginning and 268.3 MB in the end (delta: -189.8 MB). Peak memory consumption was 356.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,578 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory is still 95.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:03:19,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.26 ms. Allocated memory is still 117.4 MB. Free memory was 78.3 MB in the beginning and 92.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 117.4 MB. Free memory was 92.0 MB in the beginning and 90.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,579 INFO L168 Benchmark]: Boogie Preprocessor took 20.66 ms. Allocated memory is still 117.4 MB. Free memory was 90.4 MB in the beginning and 89.9 MB in the end (delta: 498.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:03:19,580 INFO L168 Benchmark]: RCFGBuilder took 325.99 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 78.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,580 INFO L168 Benchmark]: CodeCheck took 86261.16 ms. Allocated memory was 117.4 MB in the beginning and 664.8 MB in the end (delta: 547.4 MB). Free memory was 78.9 MB in the beginning and 272.5 MB in the end (delta: -193.6 MB). Peak memory consumption was 354.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,581 INFO L168 Benchmark]: Witness Printer took 130.20 ms. Allocated memory is still 664.8 MB. Free memory was 272.5 MB in the beginning and 268.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:03:19,583 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.1s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 536887296 SDtfs, 973107724 SDslu, 536889352 SDs, 0 SdLazy, 48336260 SolverSat, 2127316084 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 125.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23653 GetRequests, 22273 SyntacticMatches, 724 SemanticMatches, 656 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206550 ImplicationChecksByTransitivity, 69.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 1641 NumberOfCodeBlocks, 1641 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 7366 SizeOfPredicates, 95 NumberOfNonLiveVariables, 5796 ConjunctsInSsa, 777 ConjunctsInUnsatCore, 51 InterpolantComputations, 4 PerfectInterpolantSequences, 1166/2295 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [counter=0] [L27] EXPR counter++ VAL [counter=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [counter=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [counter=1] [L27] EXPR counter++ VAL [counter=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [counter=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [counter=2] [L27] EXPR counter++ VAL [counter=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [counter=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [counter=3] [L27] EXPR counter++ VAL [counter=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [counter=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [counter=4] [L27] EXPR counter++ VAL [counter=5] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [counter=5] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [counter=5] [L27] EXPR counter++ VAL [counter=6] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, cond=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory is still 95.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 249.26 ms. Allocated memory is still 117.4 MB. Free memory was 78.3 MB in the beginning and 92.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.68 ms. Allocated memory is still 117.4 MB. Free memory was 92.0 MB in the beginning and 90.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.66 ms. Allocated memory is still 117.4 MB. Free memory was 90.4 MB in the beginning and 89.9 MB in the end (delta: 498.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 325.99 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 78.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 86261.16 ms. Allocated memory was 117.4 MB in the beginning and 664.8 MB in the end (delta: 547.4 MB). Free memory was 78.9 MB in the beginning and 272.5 MB in the end (delta: -193.6 MB). Peak memory consumption was 354.3 MB. Max. memory is 16.1 GB. * Witness Printer took 130.20 ms. Allocated memory is still 664.8 MB. Free memory was 272.5 MB in the beginning and 268.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:03:19,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4395efda-3154-4ceb-9051-6865b40cee16/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...