./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/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 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 --- 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 16:43:03,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:03,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:03,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:03,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:03,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:03,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:03,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:03,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:03,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:03,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:03,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:03,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:03,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:03,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:03,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:03,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:03,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:03,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:03,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:03,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:03,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:03,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:03,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:03,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:03,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:03,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:03,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:03,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:03,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:03,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:03,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:03,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:03,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:03,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:03,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:03,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:03,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:03,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:03,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:03,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:03,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:03,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:03,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:03,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:03,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:03,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:03,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:03,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:03,903 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:03,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:03,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:03,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:03,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:03,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:03,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:03,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:03,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:03,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:03,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:03,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:03,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:03,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:03,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:03,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:03,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:03,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:03,907 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:03,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:03,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:03,908 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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72cd0a4215707a62376e213156123902caf611a87605e41064b672632b6ef1f9 [2022-10-17 16:43:04,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:04,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:04,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:04,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:04,193 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:04,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2022-10-17 16:43:04,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/data/ec3d90345/f07bc21b6f8c4880889a5574ee0a8c6b/FLAG792eb4c80 [2022-10-17 16:43:04,763 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:04,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2022-10-17 16:43:04,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/data/ec3d90345/f07bc21b6f8c4880889a5574ee0a8c6b/FLAG792eb4c80 [2022-10-17 16:43:05,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/data/ec3d90345/f07bc21b6f8c4880889a5574ee0a8c6b [2022-10-17 16:43:05,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:05,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:05,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:05,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:05,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:05,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6b6cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05, skipping insertion in model container [2022-10-17 16:43:05,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:05,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:05,374 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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c[597,610] [2022-10-17 16:43:05,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:05,427 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:05,442 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_f478b3d8-aa04-44a6-9503-7e87503cbdb5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c[597,610] [2022-10-17 16:43:05,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:05,485 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:05,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05 WrapperNode [2022-10-17 16:43:05,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:05,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:05,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:05,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:05,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,531 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 16:43:05,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:05,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:05,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:05,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:05,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:05,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:05,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:05,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:05,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:05,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:05,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f478b3d8-aa04-44a6-9503-7e87503cbdb5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:43:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:43:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:43:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:43:05,713 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:05,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:05,870 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:05,915 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:05,916 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:43:05,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:05 BoogieIcfgContainer [2022-10-17 16:43:05,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:05,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:05,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:05,930 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:05,931 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:05" (1/1) ... [2022-10-17 16:43:05,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:43:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:43:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:43:06,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:06,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:43:06,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 16:43:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 16:43:06,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:43:06,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:06,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:06,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:43:06,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:43:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2022-10-17 16:43:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:43:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:43:07,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:07,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:07,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:43:07,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:07,966 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:43:08,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:43:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 58 transitions. [2022-10-17 16:43:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2022-10-17 16:43:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:43:10,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:11,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:43:11,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:43:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:12,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 69 transitions. [2022-10-17 16:43:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-10-17 16:43:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:43:12,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:12,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:43:12,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:13,254 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:43:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:43:20,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:43:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 82 transitions. [2022-10-17 16:43:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2022-10-17 16:43:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:43:20,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:20,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:43:20,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:20,978 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:43:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:43:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 83 transitions. [2022-10-17 16:43:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2022-10-17 16:43:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:43:21,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:21,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:43:21,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:43:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 95 transitions. [2022-10-17 16:43:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2022-10-17 16:43:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:43:24,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:24,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:24,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:43:24,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:25,446 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:43:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:43:37,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:43:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 100 transitions. [2022-10-17 16:43:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 100 transitions. [2022-10-17 16:43:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:43:39,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:39,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:43:39,933 INFO L286 TraceCheckSpWp]: Computing forward predicates...