./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_6.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_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/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_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/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_5757eed2-00fb-4d47-af24-d6834b5c95d6/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 c0f4ea6e3bcbb2b79339dce82d9fa934022810e04d651b4bbb6fb3904b8f8c98 --- 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 16:54:28,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:28,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:28,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:28,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:28,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:28,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:28,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:28,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:28,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:28,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:28,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:28,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:28,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:28,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:28,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:28,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:28,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:28,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:28,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:28,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:28,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:28,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:28,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:28,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:28,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:28,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:28,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:28,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:28,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:28,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:28,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:28,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:28,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:28,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:28,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:28,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:28,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:28,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:28,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:28,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:28,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:28,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:28,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:28,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:28,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:28,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:28,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:28,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:28,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:28,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:28,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:28,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:28,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:28,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:28,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:28,880 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:28,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:28,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:28,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:28,881 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:28,881 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:28,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:28,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:28,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:28,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:28,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:28,882 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:28,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:28,883 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_5757eed2-00fb-4d47-af24-d6834b5c95d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0f4ea6e3bcbb2b79339dce82d9fa934022810e04d651b4bbb6fb3904b8f8c98 [2022-10-17 16:54:29,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:29,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:29,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:29,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:29,211 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:29,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/locks/test_locks_6.c [2022-10-17 16:54:29,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/data/6b3c5446e/be1fcc5107914f208473076512480f58/FLAG467c955be [2022-10-17 16:54:29,738 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:29,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/sv-benchmarks/c/locks/test_locks_6.c [2022-10-17 16:54:29,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/data/6b3c5446e/be1fcc5107914f208473076512480f58/FLAG467c955be [2022-10-17 16:54:29,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/data/6b3c5446e/be1fcc5107914f208473076512480f58 [2022-10-17 16:54:29,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:29,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:29,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:29,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:29,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:29,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:29" (1/1) ... [2022-10-17 16:54:29,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2518ff30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:29, skipping insertion in model container [2022-10-17 16:54:29,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:29" (1/1) ... [2022-10-17 16:54:29,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:29,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:30,058 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_5757eed2-00fb-4d47-af24-d6834b5c95d6/sv-benchmarks/c/locks/test_locks_6.c[2544,2557] [2022-10-17 16:54:30,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:30,071 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:30,091 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_5757eed2-00fb-4d47-af24-d6834b5c95d6/sv-benchmarks/c/locks/test_locks_6.c[2544,2557] [2022-10-17 16:54:30,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:30,108 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:30,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30 WrapperNode [2022-10-17 16:54:30,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:30,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:30,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:30,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:30,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,158 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2022-10-17 16:54:30,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:30,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:30,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:30,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:30,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:30,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:30,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:30,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:30,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:30,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:30,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:30,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:30,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:30,382 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:30,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:30,685 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:30,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:30,791 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:54:30,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:30 BoogieIcfgContainer [2022-10-17 16:54:30,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:30,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:30,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:30,808 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:30,809 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:30" (1/1) ... [2022-10-17 16:54:30,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2022-10-17 16:54:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2022-10-17 16:54:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:54:30,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:30,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,275 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 16:54:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:54:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:54:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:31,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,585 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 16:54:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-10-17 16:54:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:54:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:31,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,833 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 16:54:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-10-17 16:54:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-10-17 16:54:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:31,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,976 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 16:54:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:54:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:54:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:32,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,362 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 16:54:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:54:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:54:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:32,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,509 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 16:54:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:54:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:54:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:32,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,721 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 16:54:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 16:54:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:54:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:54:33,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,277 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 16:54:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-10-17 16:54:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 16:54:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:54:33,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,473 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 16:54:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-10-17 16:54:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 16:54:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:54:33,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,715 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 16:54:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2022-10-17 16:54:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2022-10-17 16:54:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:54:34,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,654 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 16:54:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2022-10-17 16:54:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2022-10-17 16:54:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:34,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,873 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 16:54:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-10-17 16:54:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 16:54:35,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:35,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:35,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,091 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 16:54:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 16:54:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:54:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:35,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:35,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,343 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 16:54:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:54:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:54:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:35,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,602 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 16:54:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-10-17 16:54:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-10-17 16:54:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:36,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:36,892 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 16:54:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2022-10-17 16:54:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:54:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:37,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,094 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 16:54:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:54:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:54:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:37,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,388 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 16:54:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:54:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:54:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:37,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,671 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 16:54:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-10-17 16:54:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-10-17 16:54:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:37,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,910 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 16:54:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-10-17 16:54:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-10-17 16:54:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:38,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:38,121 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 16:54:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:54:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:54:38,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:54:38,360 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-10-17 16:54:38,370 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:54:38,486 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:38,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:38,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:38,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:38 ImpRootNode [2022-10-17 16:54:38,491 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:38,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:38,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:38,493 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:38,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:30" (3/4) ... [2022-10-17 16:54:38,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:54:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:54:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:54:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 16:54:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:54:38,572 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:38,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:38,573 INFO L158 Benchmark]: Toolchain (without parser) took 8798.68ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 72.9MB in the beginning and 91.6MB in the end (delta: -18.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-10-17 16:54:38,574 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:38,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.50ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 67.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:54:38,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.21ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:38,576 INFO L158 Benchmark]: Boogie Preprocessor took 53.06ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 65.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:38,580 INFO L158 Benchmark]: RCFGBuilder took 581.02ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 48.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:54:38,582 INFO L158 Benchmark]: CodeCheck took 7695.33ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 48.7MB in the beginning and 94.7MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:38,584 INFO L158 Benchmark]: Witness Printer took 80.43ms. Allocated memory is still 136.3MB. Free memory was 94.7MB in the beginning and 91.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:38,586 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 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1136 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 754 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 779 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2844 IncrementalHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 779 mSolverCounterUnsat, 210 mSDtfsCounter, 2844 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1933 GetRequests, 1789 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8613 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 66.7MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.50ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 67.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.21ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.06ms. Allocated memory is still 94.4MB. Free memory was 66.4MB in the beginning and 65.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.02ms. Allocated memory is still 94.4MB. Free memory was 65.1MB in the beginning and 48.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7695.33ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 48.7MB in the beginning and 94.7MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.43ms. Allocated memory is still 136.3MB. Free memory was 94.7MB in the beginning and 91.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:54:38,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5757eed2-00fb-4d47-af24-d6834b5c95d6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE