./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB --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 3d38f8bd4bb9f583507163a0d7e52fcffc2a14ccdd631448e0fbdfcc3cb39133 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:32,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:32,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:32,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:32,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:32,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:32,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:32,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:32,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:32,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:32,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:32,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:32,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:32,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:32,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:32,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:32,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:32,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:32,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:32,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:32,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:32,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:32,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:32,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:32,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:32,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:32,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:32,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:32,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:32,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:32,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:32,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:32,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:32,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:32,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:32,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:32,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:32,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:32,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:32,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:32,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:32,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:32,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:32,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:32,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:32,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:32,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:32,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:32,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:32,383 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:32,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:32,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:32,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:32,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:32,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:32,386 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:32,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:32,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:32,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:32,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:32,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:32,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:32,387 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:32,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:32,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:32,388 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_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d38f8bd4bb9f583507163a0d7e52fcffc2a14ccdd631448e0fbdfcc3cb39133 [2022-10-17 16:48:32,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:32,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:32,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:32,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:32,698 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:32,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c [2022-10-17 16:48:32,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/data/5feaee2e7/7ffb1ac8732a43e3b23d1bcb4d6a03ad/FLAG6e9bae2fc [2022-10-17 16:48:33,833 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:33,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/sv-benchmarks/c/eca-rers2012/Problem06_label50.c [2022-10-17 16:48:33,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/data/5feaee2e7/7ffb1ac8732a43e3b23d1bcb4d6a03ad/FLAG6e9bae2fc [2022-10-17 16:48:34,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/data/5feaee2e7/7ffb1ac8732a43e3b23d1bcb4d6a03ad [2022-10-17 16:48:34,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:34,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:34,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:34,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:34,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:34,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:34,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47158932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:34, skipping insertion in model container [2022-10-17 16:48:34,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:34,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:34,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:36,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/sv-benchmarks/c/eca-rers2012/Problem06_label50.c[336046,336059] [2022-10-17 16:48:36,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:36,569 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:37,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/sv-benchmarks/c/eca-rers2012/Problem06_label50.c[336046,336059] [2022-10-17 16:48:37,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:37,916 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:37,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37 WrapperNode [2022-10-17 16:48:37,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:37,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:37,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:37,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:37,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,461 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2022-10-17 16:48:38,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:38,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:38,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:38,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:38,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:38,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:38,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:38,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:38,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:37" (1/1) ... [2022-10-17 16:48:38,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:39,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:39,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf954544-efc1-48f2-ae9b-d5122d8bbbc3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:39,313 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:39,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:46,760 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:48,349 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:48,349 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:48,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:48 BoogieIcfgContainer [2022-10-17 16:48:48,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:48,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:48,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:48,366 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:48,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:48" (1/1) ... [2022-10-17 16:48:48,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2022-10-17 16:48:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2022-10-17 16:48:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2022-10-17 16:48:48,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1865 states and 3001 transitions. [2022-10-17 16:48:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3001 transitions. [2022-10-17 16:48:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2022-10-17 16:48:57,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1868 states and 3006 transitions. [2022-10-17 16:48:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3006 transitions. [2022-10-17 16:48:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2022-10-17 16:48:59,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:59,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat