./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.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_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/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_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/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_459a031b-99da-42b7-9357-10ed6aabacb4/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 c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- 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 16:55:57,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:57,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:57,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:57,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:57,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:57,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:57,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:57,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:57,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:57,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:57,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:57,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:57,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:57,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:57,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:57,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:57,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:57,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:57,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:57,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:57,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:57,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:57,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:57,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:57,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:57,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:57,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:57,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:57,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:57,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:57,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:57,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:57,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:57,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:57,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:57,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:57,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:57,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:57,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:57,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:57,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:57,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:57,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:57,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:57,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:57,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:57,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:57,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:57,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:57,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:57,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:57,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:57,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:57,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:57,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:57,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:57,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:57,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:57,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:57,790 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:57,790 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:57,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:57,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:57,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:57,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:57,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:57,792 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:57,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:57,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:57,795 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_459a031b-99da-42b7-9357-10ed6aabacb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2022-10-17 16:55:58,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:58,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:58,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:58,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:58,145 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:58,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2022-10-17 16:55:58,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/data/b61ad1914/0265acaacd6640dc84396b645f881b3a/FLAG2398516ef [2022-10-17 16:55:58,662 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:58,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2022-10-17 16:55:58,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/data/b61ad1914/0265acaacd6640dc84396b645f881b3a/FLAG2398516ef [2022-10-17 16:55:59,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/data/b61ad1914/0265acaacd6640dc84396b645f881b3a [2022-10-17 16:55:59,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:59,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:59,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:59,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:59,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:59,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163e8285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59, skipping insertion in model container [2022-10-17 16:55:59,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:59,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:59,300 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_459a031b-99da-42b7-9357-10ed6aabacb4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c[526,539] [2022-10-17 16:55:59,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:59,347 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:59,359 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_459a031b-99da-42b7-9357-10ed6aabacb4/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c[526,539] [2022-10-17 16:55:59,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:59,381 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:59,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59 WrapperNode [2022-10-17 16:55:59,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:59,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:59,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:59,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:59,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,418 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:55:59,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:59,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:59,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:59,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:59,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:59,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:59,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:59,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:59,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:59,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:59,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:59,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:59,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:55:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:55:59,618 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:59,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:59,771 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:59,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:59,802 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:55:59,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:59 BoogieIcfgContainer [2022-10-17 16:55:59,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:59,811 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:59,811 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:59,823 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:59,823 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:55:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:55:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:59,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:56:00,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:56:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:56:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:00,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:56:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:56:00,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:00,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:56:00,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 45 transitions. [2022-10-17 16:56:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:56:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:56:00,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 50 transitions. [2022-10-17 16:56:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:56:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:56:01,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:56:01,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:56:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 58 transitions. [2022-10-17 16:56:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2022-10-17 16:56:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:56:02,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:02,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:02,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:02,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:56:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 35 states and 57 transitions. [2022-10-17 16:56:03,456 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2022-10-17 16:56:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:56:03,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:03,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:03,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:56:03,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:56:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 35 states and 60 transitions. [2022-10-17 16:56:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:56:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:56:04,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:04,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:56:04,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:56:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 30 states and 42 transitions. [2022-10-17 16:56:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-10-17 16:56:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:56:04,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:04,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:56:04,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:56:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 27 states and 34 transitions. [2022-10-17 16:56:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-10-17 16:56:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:56:04,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:04,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:56:04,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:56:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 31 states and 41 transitions. [2022-10-17 16:56:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-10-17 16:56:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:56:05,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:05,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:56:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:05,694 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2022-10-17 16:56:05,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:56:05 ImpRootNode [2022-10-17 16:56:05,766 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:56:05,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:56:05,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:56:05,767 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:56:05,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:59" (3/4) ... [2022-10-17 16:56:05,769 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:56:05,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:56:05,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:56:05,887 INFO L158 Benchmark]: Toolchain (without parser) took 6820.47ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 63.4MB in the beginning and 83.4MB in the end (delta: -20.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,889 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:05,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.51ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 72.4MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.60ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:05,892 INFO L158 Benchmark]: Boogie Preprocessor took 26.47ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 69.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,892 INFO L158 Benchmark]: RCFGBuilder took 358.35ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 58.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,893 INFO L158 Benchmark]: CodeCheck took 5954.95ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 85.5MB in the end (delta: -27.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,893 INFO L158 Benchmark]: Witness Printer took 117.71ms. Allocated memory is still 157.3MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:05,895 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 708 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 451 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1179 IncrementalHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 451 mSolverCounterUnsat, 487 mSDtfsCounter, 1179 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1821 GetRequests, 1672 SyntacticMatches, 23 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6418 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 473 SizeOfPredicates, 5 NumberOfNonLiveVariables, 636 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 118/118 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=1, counter++=0, d=1, p=1, q=0, r=1] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=2, counter++=1, d=2, p=2, q=0, r=1] [L34] COND FALSE !(counter++<1) [L44] EXPR counter++ VAL [A=1, B=1, counter=3, counter++=2, d=2, p=2, q=0, r=1] [L44] COND FALSE !(counter++<1) [L58] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L58] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L59] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.51ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 72.4MB in the end (delta: -9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.60ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 71.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.47ms. Allocated memory is still 98.6MB. Free memory was 71.2MB in the beginning and 69.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.35ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 58.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5954.95ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 57.7MB in the beginning and 85.5MB in the end (delta: -27.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 117.71ms. Allocated memory is still 157.3MB. Free memory was 85.5MB in the beginning and 83.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:56:05,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459a031b-99da-42b7-9357-10ed6aabacb4/bin/ukojak-92XMlrwhuB/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE