./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4 --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 e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 --- 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-2329fc7 [2022-12-14 23:56:17,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:56:17,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:56:17,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:56:17,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:56:17,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:56:17,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:56:17,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:56:17,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:56:17,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:56:17,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:56:17,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:56:17,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:56:17,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:56:17,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:56:17,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:56:17,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:56:17,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:56:17,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:56:17,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:56:17,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:56:17,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:56:17,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:56:17,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:56:17,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:56:17,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:56:17,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:56:17,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:56:17,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:56:17,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:56:17,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:56:17,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:56:17,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:56:17,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:56:17,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:56:17,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:56:17,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:56:17,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:56:17,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:56:17,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:56:17,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:56:17,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:56:17,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:56:17,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:56:17,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:56:17,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:56:17,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:56:17,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:56:17,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:56:17,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:56:17,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:56:17,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:56:17,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:56:17,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:56:17,866 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:56:17,866 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:56:17,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:56:17,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:56:17,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:56:17,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:56:17,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:56:17,867 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:56:17,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:56:17,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:56:17,868 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_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 [2022-12-14 23:56:18,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:56:18,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:56:18,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:56:18,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:56:18,078 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:56:18,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2022-12-14 23:56:20,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:56:20,873 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:56:20,874 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2022-12-14 23:56:20,886 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/data/30b9fc46e/fd892d9702bf4c86a7df76749b50c160/FLAGb7bdc4bf2 [2022-12-14 23:56:20,900 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/data/30b9fc46e/fd892d9702bf4c86a7df76749b50c160 [2022-12-14 23:56:20,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:56:20,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:56:20,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:56:20,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:56:20,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:56:20,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:56:20" (1/1) ... [2022-12-14 23:56:20,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2f8fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:20, skipping insertion in model container [2022-12-14 23:56:20,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:56:20" (1/1) ... [2022-12-14 23:56:20,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:56:20,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:56:21,115 WARN L237 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_ca9bcea5-988c-4a71-80e9-39d3b5544766/sv-benchmarks/c/eca-rers2012/Problem10_label44.c[6569,6582] [2022-12-14 23:56:21,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:56:21,235 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:56:21,257 WARN L237 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_ca9bcea5-988c-4a71-80e9-39d3b5544766/sv-benchmarks/c/eca-rers2012/Problem10_label44.c[6569,6582] [2022-12-14 23:56:21,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:56:21,312 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:56:21,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21 WrapperNode [2022-12-14 23:56:21,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:56:21,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:56:21,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:56:21,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:56:21,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,366 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 23:56:21,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:56:21,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:56:21,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:56:21,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:56:21,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:56:21,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:56:21,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:56:21,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:56:21,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:56:21" (1/1) ... [2022-12-14 23:56:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:56:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:56:21,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:56:21,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:56:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:56:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:56:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:56:21,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:56:21,526 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:56:21,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:56:22,337 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:56:23,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:56:23,783 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:56:23,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:56:23 BoogieIcfgContainer [2022-12-14 23:56:23,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:56:23,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:56:23,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:56:23,793 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:56:23,793 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:56:23" (1/1) ... [2022-12-14 23:56:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:56:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 23:56:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 23:56:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:56:23,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:56:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:56:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:56:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:56:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:56:24,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:56:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:56:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-14 23:56:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-14 23:56:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:56:31,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:31,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:56:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:56:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-12-14 23:56:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-12-14 23:56:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:56:40,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:40,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:56:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:56:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2022-12-14 23:56:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2022-12-14 23:56:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:56:48,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:48,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:56:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:56:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:56:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2022-12-14 23:56:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-12-14 23:56:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:56:59,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:56:59,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:56:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:57:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:57:09,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:57:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-12-14 23:57:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-12-14 23:57:09,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:57:09,412 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 23:57:09,418 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 23:57:09,581 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-14 23:57:09,591 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 23:57:09,591 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:57:09,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:57:09 ImpRootNode [2022-12-14 23:57:09,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:57:09,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:57:09,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:57:09,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:57:09,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:56:23" (3/4) ... [2022-12-14 23:57:09,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:57:09,612 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 23:57:09,613 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 23:57:09,614 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 23:57:09,614 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:57:09,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:57:09,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:57:09,704 INFO L158 Benchmark]: Toolchain (without parser) took 48800.60ms. Allocated memory was 125.8MB in the beginning and 994.1MB in the end (delta: 868.2MB). Free memory was 97.1MB in the beginning and 848.0MB in the end (delta: -750.9MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,705 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:57:09,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.81ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 69.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.30ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 61.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,705 INFO L158 Benchmark]: Boogie Preprocessor took 44.09ms. Allocated memory is still 125.8MB. Free memory was 61.9MB in the beginning and 56.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,706 INFO L158 Benchmark]: RCFGBuilder took 2373.89ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 56.8MB in the beginning and 99.9MB in the end (delta: -43.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,706 INFO L158 Benchmark]: CodeCheck took 45805.77ms. Allocated memory was 239.1MB in the beginning and 994.1MB in the end (delta: 755.0MB). Free memory was 99.9MB in the beginning and 858.5MB in the end (delta: -758.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:57:09,706 INFO L158 Benchmark]: Witness Printer took 111.49ms. Allocated memory is still 994.1MB. Free memory was 858.5MB in the beginning and 848.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:57:09,708 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 457 IncrementalHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 80 mSDtfsCounter, 457 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 611 SyntacticMatches, 35 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2001 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 32/65 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: 185]: 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: 592]: Loop Invariant Derived loop invariant: ((((438172 + a1 <= 0 || a19 <= 7) || 9 <= a19) && 14 == a4) && a12 == 0) || (((39 <= a1 || !(a10 == 1)) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((39 <= a1 || !(a10 == 1)) || a19 <= 7) && 14 == a4) && a12 == 0) || ((14 == a4 && a12 == 0) && 9 <= a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.81ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 69.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.30ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 61.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.09ms. Allocated memory is still 125.8MB. Free memory was 61.9MB in the beginning and 56.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2373.89ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 56.8MB in the beginning and 99.9MB in the end (delta: -43.0MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * CodeCheck took 45805.77ms. Allocated memory was 239.1MB in the beginning and 994.1MB in the end (delta: 755.0MB). Free memory was 99.9MB in the beginning and 858.5MB in the end (delta: -758.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.49ms. Allocated memory is still 994.1MB. Free memory was 858.5MB in the beginning and 848.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:57:09,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9bcea5-988c-4a71-80e9-39d3b5544766/bin/ukojak-rkRKPMF4O4/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