./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.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_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/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_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/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_fe12711c-bfd9-4ffa-8de6-25179b69a696/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 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b --- 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 17:01:09,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:09,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:09,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:09,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:09,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:09,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:09,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:09,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:09,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:09,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:09,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:09,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:09,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:09,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:09,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:09,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:09,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:09,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:09,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:09,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:09,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:09,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:09,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:09,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:09,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:09,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:09,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:09,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:09,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:09,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:09,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:09,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:09,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:09,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:09,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:09,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:09,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:09,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:09,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:09,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:09,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:09,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:09,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:09,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:09,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:09,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:09,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:09,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:09,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:09,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:09,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:09,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:09,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:09,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:09,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:09,952 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:09,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:09,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:09,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:09,952 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:09,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:09,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:09,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:09,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:09,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:09,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:09,953 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:09,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:09,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:09,954 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_fe12711c-bfd9-4ffa-8de6-25179b69a696/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b [2022-10-17 17:01:10,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:10,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:10,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:10,324 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:10,326 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:10,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2022-10-17 17:01:10,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/data/e9ff1158d/54ce51bfcf4a4eeaac229730e9d7ae15/FLAGd77f2de18 [2022-10-17 17:01:10,975 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:10,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2022-10-17 17:01:10,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/data/e9ff1158d/54ce51bfcf4a4eeaac229730e9d7ae15/FLAGd77f2de18 [2022-10-17 17:01:11,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/data/e9ff1158d/54ce51bfcf4a4eeaac229730e9d7ae15 [2022-10-17 17:01:11,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:11,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:11,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:11,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:11,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:11,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ea7fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11, skipping insertion in model container [2022-10-17 17:01:11,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:11,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:11,557 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_fe12711c-bfd9-4ffa-8de6-25179b69a696/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2022-10-17 17:01:11,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:11,619 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:11,644 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_fe12711c-bfd9-4ffa-8de6-25179b69a696/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c[458,471] [2022-10-17 17:01:11,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:11,690 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:11,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11 WrapperNode [2022-10-17 17:01:11,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:11,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:11,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:11,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:11,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,747 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-10-17 17:01:11,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:11,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:11,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:11,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:11,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:11,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:11,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:11,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:11,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:11" (1/1) ... [2022-10-17 17:01:11,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:11,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:11,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:11,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe12711c-bfd9-4ffa-8de6-25179b69a696/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:01:11,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:01:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:11,997 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:12,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:12,242 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:12,302 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:12,302 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:01:12,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:12 BoogieIcfgContainer [2022-10-17 17:01:12,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:12,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:12,306 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:12,334 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:12,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:12" (1/1) ... [2022-10-17 17:01:12,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-10-17 17:01:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-10-17 17:01:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:12,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:12,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:12,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:12,775 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 17:01:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 17:01:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 17:01:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:12,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:12,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,069 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 17:01:23,186 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 17:01:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 17:01:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 17:01:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:01:23,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 17:01:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 17:01:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:01:24,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-10-17 17:01:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-10-17 17:01:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:01:25,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:01:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2022-10-17 17:01:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2022-10-17 17:01:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:01:25,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,993 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 17:01:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2022-10-17 17:01:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2022-10-17 17:01:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:26,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:01:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2022-10-17 17:01:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2022-10-17 17:01:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:01:28,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:29,273 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 17:01:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2022-10-17 17:01:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2022-10-17 17:01:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:01:30,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:30,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:01:30,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:01:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2022-10-17 17:01:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2022-10-17 17:01:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:01:33,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:01:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2022-10-17 17:01:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2022-10-17 17:01:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:01:36,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:01:36,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:01:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2022-10-17 17:01:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2022-10-17 17:01:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:39,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:01:43,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:01:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2022-10-17 17:01:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2022-10-17 17:01:45,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:01:45,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:01:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked.