./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:33:54,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:33:54,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:33:54,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:33:54,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:33:54,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:33:54,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:33:54,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:33:54,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:33:54,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:33:54,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:33:54,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:33:54,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:33:54,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:33:54,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:33:54,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:33:54,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:33:54,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:33:54,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:33:54,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:33:54,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:33:54,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:33:54,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:33:54,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:33:54,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:33:54,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:33:54,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:33:54,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:54,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:33:54,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:33:54,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:33:54,750 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:33:54,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:33:54,753 INFO L153 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_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 [2024-11-09 00:33:55,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:33:55,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:33:55,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:33:55,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:33:55,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:33:55,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c Unable to find full path for "g++" [2024-11-09 00:33:57,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:33:57,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:33:57,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2024-11-09 00:33:57,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/data/c1e809a66/1205050880f84ad8a08c75152fcd0fa5/FLAGe497581c5 [2024-11-09 00:33:57,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/data/c1e809a66/1205050880f84ad8a08c75152fcd0fa5 [2024-11-09 00:33:57,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:33:57,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:33:57,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:57,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:33:57,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:33:57,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b871acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:57, skipping insertion in model container [2024-11-09 00:33:57,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:57" (1/1) ... [2024-11-09 00:33:57,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:33:58,055 WARN L250 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_caff8f85-9768-4e43-9119-7bb87fc4d2dc/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2024-11-09 00:33:58,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:58,327 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:33:58,369 WARN L250 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_caff8f85-9768-4e43-9119-7bb87fc4d2dc/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2024-11-09 00:33:58,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:58,628 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:33:58,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58 WrapperNode [2024-11-09 00:33:58,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:58,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:58,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:33:58,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:33:58,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,786 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-09 00:33:58,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:58,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:33:58,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:33:58,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:33:58,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:33:58,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:33:58,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:33:58,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:33:58,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:58" (1/1) ... [2024-11-09 00:33:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:58,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:33:58,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:33:58,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:33:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:33:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:33:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:33:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:33:59,074 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:33:59,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:34:00,599 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-09 00:34:00,599 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:34:07,041 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:34:07,042 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:34:07,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:07 BoogieIcfgContainer [2024-11-09 00:34:07,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:34:07,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:34:07,044 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:34:07,055 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:34:07,056 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:07" (1/1) ... [2024-11-09 00:34:07,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:34:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:34:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:34:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:34:07,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:34:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:34:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:34:07,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-09 00:34:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-09 00:34:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:34:35,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:35,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2024-11-09 00:35:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-11-09 00:35:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:35:13,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:35:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-09 00:36:45,717 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-09 00:36:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:36:45,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:45,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 00:37:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-09 00:37:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-09 00:37:10,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:37:10,967 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-09 00:37:10,976 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:37:11,223 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-09 00:37:11,223 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:37:11,223 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2024-11-09 00:37:11,224 INFO L77 FloydHoareUtils]: At program point L154-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-09 00:37:11,224 INFO L77 FloydHoareUtils]: At program point L157-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-09 00:37:11,224 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-09 00:37:11,224 INFO L75 FloydHoareUtils]: For program point L158(line 158) no Hoare annotation was computed. [2024-11-09 00:37:11,225 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:37:11,225 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (< ~a12~0 81) (not (= ~a15~0 6)) (not (= ~a21~0 8))) [2024-11-09 00:37:11,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:37:11 ImpRootNode [2024-11-09 00:37:11,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:37:11,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:37:11,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:37:11,241 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:37:11,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:07" (3/4) ... [2024-11-09 00:37:11,244 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:37:11,263 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-09 00:37:11,265 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 00:37:11,266 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:37:11,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:37:11,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:37:11,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:37:11,487 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:37:11,488 INFO L158 Benchmark]: Toolchain (without parser) took 193726.96ms. Allocated memory was 123.7MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 84.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 994.7MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,489 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:11,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.13ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 84.8MB in the beginning and 119.6MB in the end (delta: -34.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.33ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 109.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,490 INFO L158 Benchmark]: Boogie Preprocessor took 133.38ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,491 INFO L158 Benchmark]: RCFGBuilder took 8120.78ms. Allocated memory was 151.0MB in the beginning and 641.7MB in the end (delta: 490.7MB). Free memory was 102.8MB in the beginning and 488.9MB in the end (delta: -386.1MB). Peak memory consumption was 256.4MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,491 INFO L158 Benchmark]: CodeCheck took 184196.37ms. Allocated memory was 641.7MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 488.9MB in the beginning and 1.3GB in the end (delta: -819.7MB). Peak memory consumption was 865.4MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,491 INFO L158 Benchmark]: Witness Printer took 247.16ms. Allocated memory is still 2.3GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:37:11,493 INFO L338 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 183.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 67 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 507 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1638 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 179.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/55 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: 158]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a24 != 1) || (a12 < 81)) || (a15 != 6)) || (a21 != 8)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a12 < 81)) || (a15 != 6)) || (a21 != 8)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.13ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 84.8MB in the beginning and 119.6MB in the end (delta: -34.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.33ms. Allocated memory is still 151.0MB. Free memory was 119.6MB in the beginning and 109.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.38ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8120.78ms. Allocated memory was 151.0MB in the beginning and 641.7MB in the end (delta: 490.7MB). Free memory was 102.8MB in the beginning and 488.9MB in the end (delta: -386.1MB). Peak memory consumption was 256.4MB. Max. memory is 16.1GB. * CodeCheck took 184196.37ms. Allocated memory was 641.7MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 488.9MB in the beginning and 1.3GB in the end (delta: -819.7MB). Peak memory consumption was 865.4MB. Max. memory is 16.1GB. * Witness Printer took 247.16ms. Allocated memory is still 2.3GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:37:11,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caff8f85-9768-4e43-9119-7bb87fc4d2dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE