./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/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_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/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_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/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 15f2c27c8ff19b1764b20b7d08d4582e2b047f4871dbacc2fd506a74654d4ef0 --- 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 22:26:09,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:26:09,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:26:09,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:26:09,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:26:09,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:26:09,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:26:09,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:26:09,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:26:09,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:26:09,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:26:09,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:26:09,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:26:09,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:26:09,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:26:09,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:26:09,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:26:09,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:26:09,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:26:09,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:26:09,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:26:09,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:26:09,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:26:09,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:26:09,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:26:09,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:26:09,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:26:09,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:26:09,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:26:09,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:26:09,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:26:09,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:26:09,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:26:09,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:26:09,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:26:09,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:26:09,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:26:09,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:26:09,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:26:09,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:26:09,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:26:09,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:26:09,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:26:09,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:26:09,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:26:09,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:26:09,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:26:09,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:26:09,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:26:09,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:26:09,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:26:09,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:26:09,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:26:09,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:26:09,735 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:26:09,735 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:26:09,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:26:09,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:26:09,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:26:09,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:26:09,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:26:09,736 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:26:09,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:26:09,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:26:09,736 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_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15f2c27c8ff19b1764b20b7d08d4582e2b047f4871dbacc2fd506a74654d4ef0 [2022-12-14 22:26:09,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:26:09,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:26:09,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:26:09,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:26:09,925 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:26:09,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c [2022-12-14 22:26:12,451 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:26:12,607 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:26:12,607 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c [2022-12-14 22:26:12,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/data/85e915eec/30c5422c469d4b6b9f4ef9bf6d7d406a/FLAG9b86def6c [2022-12-14 22:26:12,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/data/85e915eec/30c5422c469d4b6b9f4ef9bf6d7d406a [2022-12-14 22:26:12,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:26:12,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:26:12,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:26:12,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:26:12,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:26:12,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef6d0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12, skipping insertion in model container [2022-12-14 22:26:12,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:26:12,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:26:12,759 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_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c[525,538] [2022-12-14 22:26:12,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:26:12,779 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:26:12,788 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_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound1.c[525,538] [2022-12-14 22:26:12,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:26:12,800 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:26:12,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12 WrapperNode [2022-12-14 22:26:12,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:26:12,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:26:12,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:26:12,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:26:12,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,823 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-12-14 22:26:12,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:26:12,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:26:12,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:26:12,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:26:12,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:26:12,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:26:12,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:26:12,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:26:12,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:26:12" (1/1) ... [2022-12-14 22:26:12,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:26:12,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:26:12,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:26:12,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:26:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:26:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:26:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:26:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:26:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:26:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:26:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:26:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:26:12,948 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:26:12,950 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:26:13,032 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:26:13,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:26:13,047 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:26:13,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:26:13 BoogieIcfgContainer [2022-12-14 22:26:13,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:26:13,050 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:26:13,050 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:26:13,057 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:26:13,057 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:26:13" (1/1) ... [2022-12-14 22:26:13,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:26:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-14 22:26:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-14 22:26:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:26:13,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:13,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 22:26:13,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:26:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2022-12-14 22:26:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 22:26:13,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:26:13,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:13,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:13,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:26:13,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:26:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 35 transitions. [2022-12-14 22:26:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-12-14 22:26:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:26:13,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:13,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:26:13,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:26:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:26:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:14,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 18 transitions. [2022-12-14 22:26:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-14 22:26:14,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:26:14,227 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-12-14 22:26:14,235 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:26:14,284 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:26:14,287 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:26:14,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:26:14 ImpRootNode [2022-12-14 22:26:14,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:26:14,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:26:14,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:26:14,288 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:26:14,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:26:13" (3/4) ... [2022-12-14 22:26:14,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:26:14,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 22:26:14,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 22:26:14,297 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 22:26:14,297 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 22:26:14,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:26:14,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:26:14,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:26:14,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:26:14,324 INFO L158 Benchmark]: Toolchain (without parser) took 1696.16ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 91.3MB in the beginning and 101.0MB in the end (delta: -9.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-12-14 22:26:14,324 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:26:14,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.32ms. Allocated memory is still 123.7MB. Free memory was 91.3MB in the beginning and 80.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:26:14,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.12ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:26:14,326 INFO L158 Benchmark]: Boogie Preprocessor took 13.41ms. Allocated memory is still 123.7MB. Free memory was 79.5MB in the beginning and 78.6MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:26:14,326 INFO L158 Benchmark]: RCFGBuilder took 211.52ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 67.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:26:14,327 INFO L158 Benchmark]: CodeCheck took 1237.64ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 67.4MB in the beginning and 103.1MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:26:14,327 INFO L158 Benchmark]: Witness Printer took 35.31ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:26:14,328 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 56 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 469 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 7 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 11/12 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: 17]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.32ms. Allocated memory is still 123.7MB. Free memory was 91.3MB in the beginning and 80.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.12ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.41ms. Allocated memory is still 123.7MB. Free memory was 79.5MB in the beginning and 78.6MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 211.52ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 67.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1237.64ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 67.4MB in the beginning and 103.1MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.31ms. Allocated memory is still 151.0MB. Free memory was 103.1MB in the beginning and 101.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:26:14,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb77ca6-6a5a-4990-a990-a4add0b3b4c9/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